4 void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
11 /* --- 16bit integer --- */
13 static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
15 uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
18 /* accept both hex and decimal */
19 fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16;
20 if (sscanf(str, fmt, ptr) != 1)
25 static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len)
27 uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
28 return snprintf(dest, len, "%" PRIu16, *ptr);
31 PropertyInfo qdev_prop_uint16 = {
33 .type = PROP_TYPE_UINT16,
34 .size = sizeof(uint16_t),
35 .parse = parse_uint16,
36 .print = print_uint16,
39 /* --- 32bit integer --- */
41 static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
43 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
46 /* accept both hex and decimal */
47 fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32;
48 if (sscanf(str, fmt, ptr) != 1)
53 static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len)
55 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
56 return snprintf(dest, len, "%" PRIu32, *ptr);
59 PropertyInfo qdev_prop_uint32 = {
61 .type = PROP_TYPE_UINT32,
62 .size = sizeof(uint32_t),
63 .parse = parse_uint32,
64 .print = print_uint32,
67 static int parse_int32(DeviceState *dev, Property *prop, const char *str)
69 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
71 if (sscanf(str, "%" PRId32, ptr) != 1)
76 static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len)
78 int32_t *ptr = qdev_get_prop_ptr(dev, prop);
79 return snprintf(dest, len, "%" PRId32, *ptr);
82 PropertyInfo qdev_prop_int32 = {
84 .type = PROP_TYPE_INT32,
85 .size = sizeof(int32_t),
90 /* --- 32bit hex value --- */
92 static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
94 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
96 if (sscanf(str, "%" PRIx32, ptr) != 1)
101 static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len)
103 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
104 return snprintf(dest, len, "0x%" PRIx32, *ptr);
107 PropertyInfo qdev_prop_hex32 = {
109 .type = PROP_TYPE_UINT32,
110 .size = sizeof(uint32_t),
111 .parse = parse_hex32,
112 .print = print_hex32,
115 /* --- 64bit integer --- */
117 static int parse_uint64(DeviceState *dev, Property *prop, const char *str)
119 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
122 /* accept both hex and decimal */
123 fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx64 : "%" PRIu64;
124 if (sscanf(str, fmt, ptr) != 1)
129 static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len)
131 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
132 return snprintf(dest, len, "%" PRIu64, *ptr);
135 PropertyInfo qdev_prop_uint64 = {
137 .type = PROP_TYPE_UINT64,
138 .size = sizeof(uint64_t),
139 .parse = parse_uint64,
140 .print = print_uint64,
143 /* --- 64bit hex value --- */
145 static int parse_hex64(DeviceState *dev, Property *prop, const char *str)
147 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
149 if (sscanf(str, "%" PRIx64, ptr) != 1)
154 static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len)
156 uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
157 return snprintf(dest, len, "0x%" PRIx64, *ptr);
160 PropertyInfo qdev_prop_hex64 = {
162 .type = PROP_TYPE_UINT64,
163 .size = sizeof(uint64_t),
164 .parse = parse_hex64,
165 .print = print_hex64,
170 static int parse_drive(DeviceState *dev, Property *prop, const char *str)
172 DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
174 *ptr = drive_get_by_id(str);
180 static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
182 DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
183 return snprintf(dest, len, "%s", (*ptr)->id);
186 PropertyInfo qdev_prop_drive = {
188 .type = PROP_TYPE_DRIVE,
189 .size = sizeof(DriveInfo*),
190 .parse = parse_drive,
191 .print = print_drive,
194 /* --- character device --- */
196 static int parse_chr(DeviceState *dev, Property *prop, const char *str)
198 CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
200 *ptr = qemu_chr_find(str);
206 static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
208 CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
210 if (*ptr && (*ptr)->label) {
211 return snprintf(dest, len, "%s", (*ptr)->label);
213 return snprintf(dest, len, "<null>");
217 PropertyInfo qdev_prop_chr = {
219 .type = PROP_TYPE_CHR,
220 .size = sizeof(CharDriverState*),
225 /* --- pointer --- */
227 static int print_ptr(DeviceState *dev, Property *prop, char *dest, size_t len)
229 void **ptr = qdev_get_prop_ptr(dev, prop);
230 return snprintf(dest, len, "<%p>", *ptr);
233 PropertyInfo qdev_prop_ptr = {
235 .type = PROP_TYPE_PTR,
236 .size = sizeof(void*),
240 /* --- mac address --- */
243 * accepted syntax versions:
247 static int parse_mac(DeviceState *dev, Property *prop, const char *str)
249 uint8_t *mac = qdev_get_prop_ptr(dev, prop);
253 for (i = 0, pos = 0; i < 6; i++, pos += 3) {
254 if (!qemu_isxdigit(str[pos]))
256 if (!qemu_isxdigit(str[pos+1]))
258 if (i == 5 && str[pos+2] != '\0')
260 if (str[pos+2] != ':' && str[pos+2] != '-')
262 mac[i] = strtol(str+pos, &p, 16);
267 static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len)
269 uint8_t *mac = qdev_get_prop_ptr(dev, prop);
270 return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
271 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
274 PropertyInfo qdev_prop_macaddr = {
276 .type = PROP_TYPE_MACADDR,
282 /* --- pci address --- */
285 * bus-local address, i.e. "$slot" or "$slot.$fn"
287 static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str)
289 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
290 unsigned int slot, fn, n;
292 if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
294 if (sscanf(str, "%x%n", &slot, &n) != 1) {
302 *ptr = slot << 3 | fn;
306 static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len)
308 uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
311 return snprintf(dest, len, "<unset>");
313 return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
317 PropertyInfo qdev_prop_pci_devfn = {
319 .type = PROP_TYPE_UINT32,
320 .size = sizeof(uint32_t),
321 .parse = parse_pci_devfn,
322 .print = print_pci_devfn,
325 /* --- public helpers --- */
327 static Property *qdev_prop_walk(Property *props, const char *name)
331 while (props->name) {
332 if (strcmp(props->name, name) == 0)
339 static Property *qdev_prop_find(DeviceState *dev, const char *name)
343 /* device properties */
344 prop = qdev_prop_walk(dev->info->props, name);
349 prop = qdev_prop_walk(dev->parent_bus->info->props, name);
356 int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
360 prop = qdev_prop_find(dev, name);
362 fprintf(stderr, "property \"%s.%s\" not found\n",
363 dev->info->name, name);
366 if (!prop->info->parse) {
367 fprintf(stderr, "property \"%s.%s\" has no parser\n",
368 dev->info->name, name);
371 return prop->info->parse(dev, prop, value);
374 void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type)
379 prop = qdev_prop_find(dev, name);
381 fprintf(stderr, "%s: property \"%s.%s\" not found\n",
382 __FUNCTION__, dev->info->name, name);
385 if (prop->info->type != type) {
386 fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
387 __FUNCTION__, dev->info->name, name);
390 dst = qdev_get_prop_ptr(dev, prop);
391 memcpy(dst, src, prop->info->size);
394 void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
396 qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
399 void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
401 qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
404 void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
406 qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
409 void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
411 qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
414 void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value)
416 qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
419 void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
421 qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
424 void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
426 qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
429 void qdev_prop_set_defaults(DeviceState *dev, Property *props)
435 while (props->name) {
437 dst = qdev_get_prop_ptr(dev, props);
438 memcpy(dst, props->defval, props->info->size);
444 static CompatProperty *compat_props;
446 void qdev_prop_register_compat(CompatProperty *props)
448 compat_props = props;
451 void qdev_prop_set_compat(DeviceState *dev)
453 CompatProperty *prop;
458 for (prop = compat_props; prop->driver != NULL; prop++) {
459 if (strcmp(dev->info->name, prop->driver) != 0) {
462 if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {