root / hw / qdev-properties.c @ 7830cf78
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| 1 |
#include "net/net.h" |
|---|---|
| 2 |
#include "qdev.h" |
| 3 |
#include "qapi/qmp/qerror.h" |
| 4 |
#include "sysemu/blockdev.h" |
| 5 |
#include "hw/block-common.h" |
| 6 |
#include "net/hub.h" |
| 7 |
#include "qapi/visitor.h" |
| 8 |
#include "char/char.h" |
| 9 |
|
| 10 |
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
|
| 11 |
{
|
| 12 |
void *ptr = dev;
|
| 13 |
ptr += prop->offset; |
| 14 |
return ptr;
|
| 15 |
} |
| 16 |
|
| 17 |
static void get_enum(Object *obj, Visitor *v, void *opaque, |
| 18 |
const char *name, Error **errp) |
| 19 |
{
|
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DeviceState *dev = DEVICE(obj); |
| 21 |
Property *prop = opaque; |
| 22 |
int *ptr = qdev_get_prop_ptr(dev, prop);
|
| 23 |
|
| 24 |
visit_type_enum(v, ptr, prop->info->enum_table, |
| 25 |
prop->info->name, prop->name, errp); |
| 26 |
} |
| 27 |
|
| 28 |
static void set_enum(Object *obj, Visitor *v, void *opaque, |
| 29 |
const char *name, Error **errp) |
| 30 |
{
|
| 31 |
DeviceState *dev = DEVICE(obj); |
| 32 |
Property *prop = opaque; |
| 33 |
int *ptr = qdev_get_prop_ptr(dev, prop);
|
| 34 |
|
| 35 |
if (dev->realized) {
|
| 36 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 37 |
return;
|
| 38 |
} |
| 39 |
|
| 40 |
visit_type_enum(v, ptr, prop->info->enum_table, |
| 41 |
prop->info->name, prop->name, errp); |
| 42 |
} |
| 43 |
|
| 44 |
/* Bit */
|
| 45 |
|
| 46 |
static uint32_t qdev_get_prop_mask(Property *prop)
|
| 47 |
{
|
| 48 |
assert(prop->info == &qdev_prop_bit); |
| 49 |
return 0x1 << prop->bitnr; |
| 50 |
} |
| 51 |
|
| 52 |
static void bit_prop_set(DeviceState *dev, Property *props, bool val) |
| 53 |
{
|
| 54 |
uint32_t *p = qdev_get_prop_ptr(dev, props); |
| 55 |
uint32_t mask = qdev_get_prop_mask(props); |
| 56 |
if (val) {
|
| 57 |
*p |= mask; |
| 58 |
} else {
|
| 59 |
*p &= ~mask; |
| 60 |
} |
| 61 |
} |
| 62 |
|
| 63 |
static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 64 |
{
|
| 65 |
uint32_t *p = qdev_get_prop_ptr(dev, prop); |
| 66 |
return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off"); |
| 67 |
} |
| 68 |
|
| 69 |
static void get_bit(Object *obj, Visitor *v, void *opaque, |
| 70 |
const char *name, Error **errp) |
| 71 |
{
|
| 72 |
DeviceState *dev = DEVICE(obj); |
| 73 |
Property *prop = opaque; |
| 74 |
uint32_t *p = qdev_get_prop_ptr(dev, prop); |
| 75 |
bool value = (*p & qdev_get_prop_mask(prop)) != 0; |
| 76 |
|
| 77 |
visit_type_bool(v, &value, name, errp); |
| 78 |
} |
| 79 |
|
| 80 |
static void set_bit(Object *obj, Visitor *v, void *opaque, |
| 81 |
const char *name, Error **errp) |
| 82 |
{
|
| 83 |
DeviceState *dev = DEVICE(obj); |
| 84 |
Property *prop = opaque; |
| 85 |
Error *local_err = NULL;
|
| 86 |
bool value;
|
| 87 |
|
| 88 |
if (dev->realized) {
|
| 89 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 90 |
return;
|
| 91 |
} |
| 92 |
|
| 93 |
visit_type_bool(v, &value, name, &local_err); |
| 94 |
if (local_err) {
|
| 95 |
error_propagate(errp, local_err); |
| 96 |
return;
|
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} |
| 98 |
bit_prop_set(dev, prop, value); |
| 99 |
} |
| 100 |
|
| 101 |
PropertyInfo qdev_prop_bit = {
|
| 102 |
.name = "boolean",
|
| 103 |
.legacy_name = "on/off",
|
| 104 |
.print = print_bit, |
| 105 |
.get = get_bit, |
| 106 |
.set = set_bit, |
| 107 |
}; |
| 108 |
|
| 109 |
/* --- 8bit integer --- */
|
| 110 |
|
| 111 |
static void get_uint8(Object *obj, Visitor *v, void *opaque, |
| 112 |
const char *name, Error **errp) |
| 113 |
{
|
| 114 |
DeviceState *dev = DEVICE(obj); |
| 115 |
Property *prop = opaque; |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 117 |
|
| 118 |
visit_type_uint8(v, ptr, name, errp); |
| 119 |
} |
| 120 |
|
| 121 |
static void set_uint8(Object *obj, Visitor *v, void *opaque, |
| 122 |
const char *name, Error **errp) |
| 123 |
{
|
| 124 |
DeviceState *dev = DEVICE(obj); |
| 125 |
Property *prop = opaque; |
| 126 |
uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 127 |
|
| 128 |
if (dev->realized) {
|
| 129 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 130 |
return;
|
| 131 |
} |
| 132 |
|
| 133 |
visit_type_uint8(v, ptr, name, errp); |
| 134 |
} |
| 135 |
|
| 136 |
PropertyInfo qdev_prop_uint8 = {
|
| 137 |
.name = "uint8",
|
| 138 |
.get = get_uint8, |
| 139 |
.set = set_uint8, |
| 140 |
}; |
| 141 |
|
| 142 |
/* --- 8bit hex value --- */
|
| 143 |
|
| 144 |
static int parse_hex8(DeviceState *dev, Property *prop, const char *str) |
| 145 |
{
|
| 146 |
uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 147 |
char *end;
|
| 148 |
|
| 149 |
if (str[0] != '0' || str[1] != 'x') { |
| 150 |
return -EINVAL;
|
| 151 |
} |
| 152 |
|
| 153 |
*ptr = strtoul(str, &end, 16);
|
| 154 |
if ((*end != '\0') || (end == str)) { |
| 155 |
return -EINVAL;
|
| 156 |
} |
| 157 |
|
| 158 |
return 0; |
| 159 |
} |
| 160 |
|
| 161 |
static int print_hex8(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 162 |
{
|
| 163 |
uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 164 |
return snprintf(dest, len, "0x%" PRIx8, *ptr); |
| 165 |
} |
| 166 |
|
| 167 |
PropertyInfo qdev_prop_hex8 = {
|
| 168 |
.name = "uint8",
|
| 169 |
.legacy_name = "hex8",
|
| 170 |
.parse = parse_hex8, |
| 171 |
.print = print_hex8, |
| 172 |
.get = get_uint8, |
| 173 |
.set = set_uint8, |
| 174 |
}; |
| 175 |
|
| 176 |
/* --- 16bit integer --- */
|
| 177 |
|
| 178 |
static void get_uint16(Object *obj, Visitor *v, void *opaque, |
| 179 |
const char *name, Error **errp) |
| 180 |
{
|
| 181 |
DeviceState *dev = DEVICE(obj); |
| 182 |
Property *prop = opaque; |
| 183 |
uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 184 |
|
| 185 |
visit_type_uint16(v, ptr, name, errp); |
| 186 |
} |
| 187 |
|
| 188 |
static void set_uint16(Object *obj, Visitor *v, void *opaque, |
| 189 |
const char *name, Error **errp) |
| 190 |
{
|
| 191 |
DeviceState *dev = DEVICE(obj); |
| 192 |
Property *prop = opaque; |
| 193 |
uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 194 |
|
| 195 |
if (dev->realized) {
|
| 196 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 197 |
return;
|
| 198 |
} |
| 199 |
|
| 200 |
visit_type_uint16(v, ptr, name, errp); |
| 201 |
} |
| 202 |
|
| 203 |
PropertyInfo qdev_prop_uint16 = {
|
| 204 |
.name = "uint16",
|
| 205 |
.get = get_uint16, |
| 206 |
.set = set_uint16, |
| 207 |
}; |
| 208 |
|
| 209 |
/* --- 32bit integer --- */
|
| 210 |
|
| 211 |
static void get_uint32(Object *obj, Visitor *v, void *opaque, |
| 212 |
const char *name, Error **errp) |
| 213 |
{
|
| 214 |
DeviceState *dev = DEVICE(obj); |
| 215 |
Property *prop = opaque; |
| 216 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 217 |
|
| 218 |
visit_type_uint32(v, ptr, name, errp); |
| 219 |
} |
| 220 |
|
| 221 |
static void set_uint32(Object *obj, Visitor *v, void *opaque, |
| 222 |
const char *name, Error **errp) |
| 223 |
{
|
| 224 |
DeviceState *dev = DEVICE(obj); |
| 225 |
Property *prop = opaque; |
| 226 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 227 |
|
| 228 |
if (dev->realized) {
|
| 229 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 230 |
return;
|
| 231 |
} |
| 232 |
|
| 233 |
visit_type_uint32(v, ptr, name, errp); |
| 234 |
} |
| 235 |
|
| 236 |
static void get_int32(Object *obj, Visitor *v, void *opaque, |
| 237 |
const char *name, Error **errp) |
| 238 |
{
|
| 239 |
DeviceState *dev = DEVICE(obj); |
| 240 |
Property *prop = opaque; |
| 241 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 242 |
|
| 243 |
visit_type_int32(v, ptr, name, errp); |
| 244 |
} |
| 245 |
|
| 246 |
static void set_int32(Object *obj, Visitor *v, void *opaque, |
| 247 |
const char *name, Error **errp) |
| 248 |
{
|
| 249 |
DeviceState *dev = DEVICE(obj); |
| 250 |
Property *prop = opaque; |
| 251 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 252 |
|
| 253 |
if (dev->realized) {
|
| 254 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 255 |
return;
|
| 256 |
} |
| 257 |
|
| 258 |
visit_type_int32(v, ptr, name, errp); |
| 259 |
} |
| 260 |
|
| 261 |
PropertyInfo qdev_prop_uint32 = {
|
| 262 |
.name = "uint32",
|
| 263 |
.get = get_uint32, |
| 264 |
.set = set_uint32, |
| 265 |
}; |
| 266 |
|
| 267 |
PropertyInfo qdev_prop_int32 = {
|
| 268 |
.name = "int32",
|
| 269 |
.get = get_int32, |
| 270 |
.set = set_int32, |
| 271 |
}; |
| 272 |
|
| 273 |
/* --- 32bit hex value --- */
|
| 274 |
|
| 275 |
static int parse_hex32(DeviceState *dev, Property *prop, const char *str) |
| 276 |
{
|
| 277 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 278 |
char *end;
|
| 279 |
|
| 280 |
if (str[0] != '0' || str[1] != 'x') { |
| 281 |
return -EINVAL;
|
| 282 |
} |
| 283 |
|
| 284 |
*ptr = strtoul(str, &end, 16);
|
| 285 |
if ((*end != '\0') || (end == str)) { |
| 286 |
return -EINVAL;
|
| 287 |
} |
| 288 |
|
| 289 |
return 0; |
| 290 |
} |
| 291 |
|
| 292 |
static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 293 |
{
|
| 294 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 295 |
return snprintf(dest, len, "0x%" PRIx32, *ptr); |
| 296 |
} |
| 297 |
|
| 298 |
PropertyInfo qdev_prop_hex32 = {
|
| 299 |
.name = "uint32",
|
| 300 |
.legacy_name = "hex32",
|
| 301 |
.parse = parse_hex32, |
| 302 |
.print = print_hex32, |
| 303 |
.get = get_uint32, |
| 304 |
.set = set_uint32, |
| 305 |
}; |
| 306 |
|
| 307 |
/* --- 64bit integer --- */
|
| 308 |
|
| 309 |
static void get_uint64(Object *obj, Visitor *v, void *opaque, |
| 310 |
const char *name, Error **errp) |
| 311 |
{
|
| 312 |
DeviceState *dev = DEVICE(obj); |
| 313 |
Property *prop = opaque; |
| 314 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 315 |
|
| 316 |
visit_type_uint64(v, ptr, name, errp); |
| 317 |
} |
| 318 |
|
| 319 |
static void set_uint64(Object *obj, Visitor *v, void *opaque, |
| 320 |
const char *name, Error **errp) |
| 321 |
{
|
| 322 |
DeviceState *dev = DEVICE(obj); |
| 323 |
Property *prop = opaque; |
| 324 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 325 |
|
| 326 |
if (dev->realized) {
|
| 327 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 328 |
return;
|
| 329 |
} |
| 330 |
|
| 331 |
visit_type_uint64(v, ptr, name, errp); |
| 332 |
} |
| 333 |
|
| 334 |
PropertyInfo qdev_prop_uint64 = {
|
| 335 |
.name = "uint64",
|
| 336 |
.get = get_uint64, |
| 337 |
.set = set_uint64, |
| 338 |
}; |
| 339 |
|
| 340 |
/* --- 64bit hex value --- */
|
| 341 |
|
| 342 |
static int parse_hex64(DeviceState *dev, Property *prop, const char *str) |
| 343 |
{
|
| 344 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 345 |
char *end;
|
| 346 |
|
| 347 |
if (str[0] != '0' || str[1] != 'x') { |
| 348 |
return -EINVAL;
|
| 349 |
} |
| 350 |
|
| 351 |
*ptr = strtoull(str, &end, 16);
|
| 352 |
if ((*end != '\0') || (end == str)) { |
| 353 |
return -EINVAL;
|
| 354 |
} |
| 355 |
|
| 356 |
return 0; |
| 357 |
} |
| 358 |
|
| 359 |
static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 360 |
{
|
| 361 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 362 |
return snprintf(dest, len, "0x%" PRIx64, *ptr); |
| 363 |
} |
| 364 |
|
| 365 |
PropertyInfo qdev_prop_hex64 = {
|
| 366 |
.name = "uint64",
|
| 367 |
.legacy_name = "hex64",
|
| 368 |
.parse = parse_hex64, |
| 369 |
.print = print_hex64, |
| 370 |
.get = get_uint64, |
| 371 |
.set = set_uint64, |
| 372 |
}; |
| 373 |
|
| 374 |
/* --- string --- */
|
| 375 |
|
| 376 |
static void release_string(Object *obj, const char *name, void *opaque) |
| 377 |
{
|
| 378 |
Property *prop = opaque; |
| 379 |
g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop));
|
| 380 |
} |
| 381 |
|
| 382 |
static int print_string(DeviceState *dev, Property *prop, char *dest, |
| 383 |
size_t len) |
| 384 |
{
|
| 385 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 386 |
if (!*ptr) {
|
| 387 |
return snprintf(dest, len, "<null>"); |
| 388 |
} |
| 389 |
return snprintf(dest, len, "\"%s\"", *ptr); |
| 390 |
} |
| 391 |
|
| 392 |
static void get_string(Object *obj, Visitor *v, void *opaque, |
| 393 |
const char *name, Error **errp) |
| 394 |
{
|
| 395 |
DeviceState *dev = DEVICE(obj); |
| 396 |
Property *prop = opaque; |
| 397 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 398 |
|
| 399 |
if (!*ptr) {
|
| 400 |
char *str = (char *)""; |
| 401 |
visit_type_str(v, &str, name, errp); |
| 402 |
} else {
|
| 403 |
visit_type_str(v, ptr, name, errp); |
| 404 |
} |
| 405 |
} |
| 406 |
|
| 407 |
static void set_string(Object *obj, Visitor *v, void *opaque, |
| 408 |
const char *name, Error **errp) |
| 409 |
{
|
| 410 |
DeviceState *dev = DEVICE(obj); |
| 411 |
Property *prop = opaque; |
| 412 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
| 413 |
Error *local_err = NULL;
|
| 414 |
char *str;
|
| 415 |
|
| 416 |
if (dev->realized) {
|
| 417 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 418 |
return;
|
| 419 |
} |
| 420 |
|
| 421 |
visit_type_str(v, &str, name, &local_err); |
| 422 |
if (local_err) {
|
| 423 |
error_propagate(errp, local_err); |
| 424 |
return;
|
| 425 |
} |
| 426 |
if (*ptr) {
|
| 427 |
g_free(*ptr); |
| 428 |
} |
| 429 |
*ptr = str; |
| 430 |
} |
| 431 |
|
| 432 |
PropertyInfo qdev_prop_string = {
|
| 433 |
.name = "string",
|
| 434 |
.print = print_string, |
| 435 |
.release = release_string, |
| 436 |
.get = get_string, |
| 437 |
.set = set_string, |
| 438 |
}; |
| 439 |
|
| 440 |
/* --- pointer --- */
|
| 441 |
|
| 442 |
/* Not a proper property, just for dirty hacks. TODO Remove it! */
|
| 443 |
PropertyInfo qdev_prop_ptr = {
|
| 444 |
.name = "ptr",
|
| 445 |
}; |
| 446 |
|
| 447 |
/* --- mac address --- */
|
| 448 |
|
| 449 |
/*
|
| 450 |
* accepted syntax versions:
|
| 451 |
* 01:02:03:04:05:06
|
| 452 |
* 01-02-03-04-05-06
|
| 453 |
*/
|
| 454 |
static void get_mac(Object *obj, Visitor *v, void *opaque, |
| 455 |
const char *name, Error **errp) |
| 456 |
{
|
| 457 |
DeviceState *dev = DEVICE(obj); |
| 458 |
Property *prop = opaque; |
| 459 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 460 |
char buffer[2 * 6 + 5 + 1]; |
| 461 |
char *p = buffer;
|
| 462 |
|
| 463 |
snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x", |
| 464 |
mac->a[0], mac->a[1], mac->a[2], |
| 465 |
mac->a[3], mac->a[4], mac->a[5]); |
| 466 |
|
| 467 |
visit_type_str(v, &p, name, errp); |
| 468 |
} |
| 469 |
|
| 470 |
static void set_mac(Object *obj, Visitor *v, void *opaque, |
| 471 |
const char *name, Error **errp) |
| 472 |
{
|
| 473 |
DeviceState *dev = DEVICE(obj); |
| 474 |
Property *prop = opaque; |
| 475 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 476 |
Error *local_err = NULL;
|
| 477 |
int i, pos;
|
| 478 |
char *str, *p;
|
| 479 |
|
| 480 |
if (dev->realized) {
|
| 481 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 482 |
return;
|
| 483 |
} |
| 484 |
|
| 485 |
visit_type_str(v, &str, name, &local_err); |
| 486 |
if (local_err) {
|
| 487 |
error_propagate(errp, local_err); |
| 488 |
return;
|
| 489 |
} |
| 490 |
|
| 491 |
for (i = 0, pos = 0; i < 6; i++, pos += 3) { |
| 492 |
if (!qemu_isxdigit(str[pos])) {
|
| 493 |
goto inval;
|
| 494 |
} |
| 495 |
if (!qemu_isxdigit(str[pos+1])) { |
| 496 |
goto inval;
|
| 497 |
} |
| 498 |
if (i == 5) { |
| 499 |
if (str[pos+2] != '\0') { |
| 500 |
goto inval;
|
| 501 |
} |
| 502 |
} else {
|
| 503 |
if (str[pos+2] != ':' && str[pos+2] != '-') { |
| 504 |
goto inval;
|
| 505 |
} |
| 506 |
} |
| 507 |
mac->a[i] = strtol(str+pos, &p, 16);
|
| 508 |
} |
| 509 |
g_free(str); |
| 510 |
return;
|
| 511 |
|
| 512 |
inval:
|
| 513 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
| 514 |
g_free(str); |
| 515 |
} |
| 516 |
|
| 517 |
PropertyInfo qdev_prop_macaddr = {
|
| 518 |
.name = "macaddr",
|
| 519 |
.get = get_mac, |
| 520 |
.set = set_mac, |
| 521 |
}; |
| 522 |
|
| 523 |
/* --- lost tick policy --- */
|
| 524 |
|
| 525 |
static const char *lost_tick_policy_table[LOST_TICK_MAX+1] = { |
| 526 |
[LOST_TICK_DISCARD] = "discard",
|
| 527 |
[LOST_TICK_DELAY] = "delay",
|
| 528 |
[LOST_TICK_MERGE] = "merge",
|
| 529 |
[LOST_TICK_SLEW] = "slew",
|
| 530 |
[LOST_TICK_MAX] = NULL,
|
| 531 |
}; |
| 532 |
|
| 533 |
QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int)); |
| 534 |
|
| 535 |
PropertyInfo qdev_prop_losttickpolicy = {
|
| 536 |
.name = "LostTickPolicy",
|
| 537 |
.enum_table = lost_tick_policy_table, |
| 538 |
.get = get_enum, |
| 539 |
.set = set_enum, |
| 540 |
}; |
| 541 |
|
| 542 |
/* --- BIOS CHS translation */
|
| 543 |
|
| 544 |
static const char *bios_chs_trans_table[] = { |
| 545 |
[BIOS_ATA_TRANSLATION_AUTO] = "auto",
|
| 546 |
[BIOS_ATA_TRANSLATION_NONE] = "none",
|
| 547 |
[BIOS_ATA_TRANSLATION_LBA] = "lba",
|
| 548 |
}; |
| 549 |
|
| 550 |
PropertyInfo qdev_prop_bios_chs_trans = {
|
| 551 |
.name = "bios-chs-trans",
|
| 552 |
.enum_table = bios_chs_trans_table, |
| 553 |
.get = get_enum, |
| 554 |
.set = set_enum, |
| 555 |
}; |
| 556 |
|
| 557 |
/* --- pci address --- */
|
| 558 |
|
| 559 |
/*
|
| 560 |
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
| 561 |
*/
|
| 562 |
static void set_pci_devfn(Object *obj, Visitor *v, void *opaque, |
| 563 |
const char *name, Error **errp) |
| 564 |
{
|
| 565 |
DeviceState *dev = DEVICE(obj); |
| 566 |
Property *prop = opaque; |
| 567 |
int32_t value, *ptr = qdev_get_prop_ptr(dev, prop); |
| 568 |
unsigned int slot, fn, n; |
| 569 |
Error *local_err = NULL;
|
| 570 |
char *str;
|
| 571 |
|
| 572 |
if (dev->realized) {
|
| 573 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 574 |
return;
|
| 575 |
} |
| 576 |
|
| 577 |
visit_type_str(v, &str, name, &local_err); |
| 578 |
if (local_err) {
|
| 579 |
error_free(local_err); |
| 580 |
local_err = NULL;
|
| 581 |
visit_type_int32(v, &value, name, &local_err); |
| 582 |
if (local_err) {
|
| 583 |
error_propagate(errp, local_err); |
| 584 |
} else if (value < -1 || value > 255) { |
| 585 |
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
|
| 586 |
"pci_devfn");
|
| 587 |
} else {
|
| 588 |
*ptr = value; |
| 589 |
} |
| 590 |
return;
|
| 591 |
} |
| 592 |
|
| 593 |
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { |
| 594 |
fn = 0;
|
| 595 |
if (sscanf(str, "%x%n", &slot, &n) != 1) { |
| 596 |
goto invalid;
|
| 597 |
} |
| 598 |
} |
| 599 |
if (str[n] != '\0' || fn > 7 || slot > 31) { |
| 600 |
goto invalid;
|
| 601 |
} |
| 602 |
*ptr = slot << 3 | fn;
|
| 603 |
g_free(str); |
| 604 |
return;
|
| 605 |
|
| 606 |
invalid:
|
| 607 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
| 608 |
g_free(str); |
| 609 |
} |
| 610 |
|
| 611 |
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, |
| 612 |
size_t len) |
| 613 |
{
|
| 614 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 615 |
|
| 616 |
if (*ptr == -1) { |
| 617 |
return snprintf(dest, len, "<unset>"); |
| 618 |
} else {
|
| 619 |
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7); |
| 620 |
} |
| 621 |
} |
| 622 |
|
| 623 |
PropertyInfo qdev_prop_pci_devfn = {
|
| 624 |
.name = "int32",
|
| 625 |
.legacy_name = "pci-devfn",
|
| 626 |
.print = print_pci_devfn, |
| 627 |
.get = get_int32, |
| 628 |
.set = set_pci_devfn, |
| 629 |
}; |
| 630 |
|
| 631 |
/* --- blocksize --- */
|
| 632 |
|
| 633 |
static void set_blocksize(Object *obj, Visitor *v, void *opaque, |
| 634 |
const char *name, Error **errp) |
| 635 |
{
|
| 636 |
DeviceState *dev = DEVICE(obj); |
| 637 |
Property *prop = opaque; |
| 638 |
uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop); |
| 639 |
Error *local_err = NULL;
|
| 640 |
const int64_t min = 512; |
| 641 |
const int64_t max = 32768; |
| 642 |
|
| 643 |
if (dev->realized) {
|
| 644 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 645 |
return;
|
| 646 |
} |
| 647 |
|
| 648 |
visit_type_uint16(v, &value, name, &local_err); |
| 649 |
if (local_err) {
|
| 650 |
error_propagate(errp, local_err); |
| 651 |
return;
|
| 652 |
} |
| 653 |
if (value < min || value > max) {
|
| 654 |
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, |
| 655 |
dev->id?:"", name, (int64_t)value, min, max);
|
| 656 |
return;
|
| 657 |
} |
| 658 |
|
| 659 |
/* We rely on power-of-2 blocksizes for bitmasks */
|
| 660 |
if ((value & (value - 1)) != 0) { |
| 661 |
error_set(errp, QERR_PROPERTY_VALUE_NOT_POWER_OF_2, |
| 662 |
dev->id?:"", name, (int64_t)value);
|
| 663 |
return;
|
| 664 |
} |
| 665 |
|
| 666 |
*ptr = value; |
| 667 |
} |
| 668 |
|
| 669 |
PropertyInfo qdev_prop_blocksize = {
|
| 670 |
.name = "blocksize",
|
| 671 |
.get = get_uint16, |
| 672 |
.set = set_blocksize, |
| 673 |
}; |
| 674 |
|
| 675 |
/* --- pci host address --- */
|
| 676 |
|
| 677 |
static void get_pci_host_devaddr(Object *obj, Visitor *v, void *opaque, |
| 678 |
const char *name, Error **errp) |
| 679 |
{
|
| 680 |
DeviceState *dev = DEVICE(obj); |
| 681 |
Property *prop = opaque; |
| 682 |
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop); |
| 683 |
char buffer[] = "xxxx:xx:xx.x"; |
| 684 |
char *p = buffer;
|
| 685 |
int rc = 0; |
| 686 |
|
| 687 |
rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%d", |
| 688 |
addr->domain, addr->bus, addr->slot, addr->function); |
| 689 |
assert(rc == sizeof(buffer) - 1); |
| 690 |
|
| 691 |
visit_type_str(v, &p, name, errp); |
| 692 |
} |
| 693 |
|
| 694 |
/*
|
| 695 |
* Parse [<domain>:]<bus>:<slot>.<func>
|
| 696 |
* if <domain> is not supplied, it's assumed to be 0.
|
| 697 |
*/
|
| 698 |
static void set_pci_host_devaddr(Object *obj, Visitor *v, void *opaque, |
| 699 |
const char *name, Error **errp) |
| 700 |
{
|
| 701 |
DeviceState *dev = DEVICE(obj); |
| 702 |
Property *prop = opaque; |
| 703 |
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop); |
| 704 |
Error *local_err = NULL;
|
| 705 |
char *str, *p;
|
| 706 |
char *e;
|
| 707 |
unsigned long val; |
| 708 |
unsigned long dom = 0, bus = 0; |
| 709 |
unsigned int slot = 0, func = 0; |
| 710 |
|
| 711 |
if (dev->realized) {
|
| 712 |
error_set(errp, QERR_PERMISSION_DENIED); |
| 713 |
return;
|
| 714 |
} |
| 715 |
|
| 716 |
visit_type_str(v, &str, name, &local_err); |
| 717 |
if (local_err) {
|
| 718 |
error_propagate(errp, local_err); |
| 719 |
return;
|
| 720 |
} |
| 721 |
|
| 722 |
p = str; |
| 723 |
val = strtoul(p, &e, 16);
|
| 724 |
if (e == p || *e != ':') { |
| 725 |
goto inval;
|
| 726 |
} |
| 727 |
bus = val; |
| 728 |
|
| 729 |
p = e + 1;
|
| 730 |
val = strtoul(p, &e, 16);
|
| 731 |
if (e == p) {
|
| 732 |
goto inval;
|
| 733 |
} |
| 734 |
if (*e == ':') { |
| 735 |
dom = bus; |
| 736 |
bus = val; |
| 737 |
p = e + 1;
|
| 738 |
val = strtoul(p, &e, 16);
|
| 739 |
if (e == p) {
|
| 740 |
goto inval;
|
| 741 |
} |
| 742 |
} |
| 743 |
slot = val; |
| 744 |
|
| 745 |
if (*e != '.') { |
| 746 |
goto inval;
|
| 747 |
} |
| 748 |
p = e + 1;
|
| 749 |
val = strtoul(p, &e, 10);
|
| 750 |
if (e == p) {
|
| 751 |
goto inval;
|
| 752 |
} |
| 753 |
func = val; |
| 754 |
|
| 755 |
if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) { |
| 756 |
goto inval;
|
| 757 |
} |
| 758 |
|
| 759 |
if (*e) {
|
| 760 |
goto inval;
|
| 761 |
} |
| 762 |
|
| 763 |
addr->domain = dom; |
| 764 |
addr->bus = bus; |
| 765 |
addr->slot = slot; |
| 766 |
addr->function = func; |
| 767 |
|
| 768 |
g_free(str); |
| 769 |
return;
|
| 770 |
|
| 771 |
inval:
|
| 772 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
| 773 |
g_free(str); |
| 774 |
} |
| 775 |
|
| 776 |
PropertyInfo qdev_prop_pci_host_devaddr = {
|
| 777 |
.name = "pci-host-devaddr",
|
| 778 |
.get = get_pci_host_devaddr, |
| 779 |
.set = set_pci_host_devaddr, |
| 780 |
}; |
| 781 |
|
| 782 |
/* --- public helpers --- */
|
| 783 |
|
| 784 |
static Property *qdev_prop_walk(Property *props, const char *name) |
| 785 |
{
|
| 786 |
if (!props) {
|
| 787 |
return NULL; |
| 788 |
} |
| 789 |
while (props->name) {
|
| 790 |
if (strcmp(props->name, name) == 0) { |
| 791 |
return props;
|
| 792 |
} |
| 793 |
props++; |
| 794 |
} |
| 795 |
return NULL; |
| 796 |
} |
| 797 |
|
| 798 |
static Property *qdev_prop_find(DeviceState *dev, const char *name) |
| 799 |
{
|
| 800 |
ObjectClass *class; |
| 801 |
Property *prop; |
| 802 |
|
| 803 |
/* device properties */
|
| 804 |
class = object_get_class(OBJECT(dev)); |
| 805 |
do {
|
| 806 |
prop = qdev_prop_walk(DEVICE_CLASS(class)->props, name); |
| 807 |
if (prop) {
|
| 808 |
return prop;
|
| 809 |
} |
| 810 |
class = object_class_get_parent(class); |
| 811 |
} while (class != object_class_by_name(TYPE_DEVICE));
|
| 812 |
|
| 813 |
return NULL; |
| 814 |
} |
| 815 |
|
| 816 |
void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev, |
| 817 |
Property *prop, const char *value) |
| 818 |
{
|
| 819 |
switch (ret) {
|
| 820 |
case -EEXIST:
|
| 821 |
error_set(errp, QERR_PROPERTY_VALUE_IN_USE, |
| 822 |
object_get_typename(OBJECT(dev)), prop->name, value); |
| 823 |
break;
|
| 824 |
default:
|
| 825 |
case -EINVAL:
|
| 826 |
error_set(errp, QERR_PROPERTY_VALUE_BAD, |
| 827 |
object_get_typename(OBJECT(dev)), prop->name, value); |
| 828 |
break;
|
| 829 |
case -ENOENT:
|
| 830 |
error_set(errp, QERR_PROPERTY_VALUE_NOT_FOUND, |
| 831 |
object_get_typename(OBJECT(dev)), prop->name, value); |
| 832 |
break;
|
| 833 |
case 0: |
| 834 |
break;
|
| 835 |
} |
| 836 |
} |
| 837 |
|
| 838 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) |
| 839 |
{
|
| 840 |
char *legacy_name;
|
| 841 |
Error *err = NULL;
|
| 842 |
|
| 843 |
legacy_name = g_strdup_printf("legacy-%s", name);
|
| 844 |
if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
| 845 |
object_property_parse(OBJECT(dev), value, legacy_name, &err); |
| 846 |
} else {
|
| 847 |
object_property_parse(OBJECT(dev), value, name, &err); |
| 848 |
} |
| 849 |
g_free(legacy_name); |
| 850 |
|
| 851 |
if (err) {
|
| 852 |
qerror_report_err(err); |
| 853 |
error_free(err); |
| 854 |
return -1; |
| 855 |
} |
| 856 |
return 0; |
| 857 |
} |
| 858 |
|
| 859 |
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value) |
| 860 |
{
|
| 861 |
Error *errp = NULL;
|
| 862 |
object_property_set_bool(OBJECT(dev), value, name, &errp); |
| 863 |
assert_no_error(errp); |
| 864 |
} |
| 865 |
|
| 866 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) |
| 867 |
{
|
| 868 |
Error *errp = NULL;
|
| 869 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 870 |
assert_no_error(errp); |
| 871 |
} |
| 872 |
|
| 873 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) |
| 874 |
{
|
| 875 |
Error *errp = NULL;
|
| 876 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 877 |
assert_no_error(errp); |
| 878 |
} |
| 879 |
|
| 880 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) |
| 881 |
{
|
| 882 |
Error *errp = NULL;
|
| 883 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 884 |
assert_no_error(errp); |
| 885 |
} |
| 886 |
|
| 887 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) |
| 888 |
{
|
| 889 |
Error *errp = NULL;
|
| 890 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 891 |
assert_no_error(errp); |
| 892 |
} |
| 893 |
|
| 894 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) |
| 895 |
{
|
| 896 |
Error *errp = NULL;
|
| 897 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
| 898 |
assert_no_error(errp); |
| 899 |
} |
| 900 |
|
| 901 |
void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value) |
| 902 |
{
|
| 903 |
Error *errp = NULL;
|
| 904 |
object_property_set_str(OBJECT(dev), value, name, &errp); |
| 905 |
assert_no_error(errp); |
| 906 |
} |
| 907 |
|
| 908 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) |
| 909 |
{
|
| 910 |
Error *errp = NULL;
|
| 911 |
char str[2 * 6 + 5 + 1]; |
| 912 |
snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x", |
| 913 |
value[0], value[1], value[2], value[3], value[4], value[5]); |
| 914 |
|
| 915 |
object_property_set_str(OBJECT(dev), str, name, &errp); |
| 916 |
assert_no_error(errp); |
| 917 |
} |
| 918 |
|
| 919 |
void qdev_prop_set_enum(DeviceState *dev, const char *name, int value) |
| 920 |
{
|
| 921 |
Property *prop; |
| 922 |
Error *errp = NULL;
|
| 923 |
|
| 924 |
prop = qdev_prop_find(dev, name); |
| 925 |
object_property_set_str(OBJECT(dev), prop->info->enum_table[value], |
| 926 |
name, &errp); |
| 927 |
assert_no_error(errp); |
| 928 |
} |
| 929 |
|
| 930 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) |
| 931 |
{
|
| 932 |
Property *prop; |
| 933 |
void **ptr;
|
| 934 |
|
| 935 |
prop = qdev_prop_find(dev, name); |
| 936 |
assert(prop && prop->info == &qdev_prop_ptr); |
| 937 |
ptr = qdev_get_prop_ptr(dev, prop); |
| 938 |
*ptr = value; |
| 939 |
} |
| 940 |
|
| 941 |
static QTAILQ_HEAD(, GlobalProperty) global_props =
|
| 942 |
QTAILQ_HEAD_INITIALIZER(global_props); |
| 943 |
|
| 944 |
void qdev_prop_register_global(GlobalProperty *prop)
|
| 945 |
{
|
| 946 |
QTAILQ_INSERT_TAIL(&global_props, prop, next); |
| 947 |
} |
| 948 |
|
| 949 |
void qdev_prop_register_global_list(GlobalProperty *props)
|
| 950 |
{
|
| 951 |
int i;
|
| 952 |
|
| 953 |
for (i = 0; props[i].driver != NULL; i++) { |
| 954 |
qdev_prop_register_global(props+i); |
| 955 |
} |
| 956 |
} |
| 957 |
|
| 958 |
void qdev_prop_set_globals(DeviceState *dev)
|
| 959 |
{
|
| 960 |
ObjectClass *class = object_get_class(OBJECT(dev)); |
| 961 |
|
| 962 |
do {
|
| 963 |
GlobalProperty *prop; |
| 964 |
QTAILQ_FOREACH(prop, &global_props, next) {
|
| 965 |
if (strcmp(object_class_get_name(class), prop->driver) != 0) { |
| 966 |
continue;
|
| 967 |
} |
| 968 |
if (qdev_prop_parse(dev, prop->property, prop->value) != 0) { |
| 969 |
exit(1);
|
| 970 |
} |
| 971 |
} |
| 972 |
class = object_class_get_parent(class); |
| 973 |
} while (class);
|
| 974 |
} |