1 /* 2 * QEMU USB HID devices 3 * 4 * Copyright (c) 2005 Fabrice Bellard 5 * Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com) 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 #include "hw/hw.h" 26 #include "console.h" 27 #include "hw/usb.h" 28 #include "hw/usb/desc.h" 29 #include "qemu-timer.h" 30 #include "hw/hid.h" 31 32 /* HID interface requests */ 33 #define GET_REPORT 0xa101 34 #define GET_IDLE 0xa102 35 #define GET_PROTOCOL 0xa103 36 #define SET_REPORT 0x2109 37 #define SET_IDLE 0x210a 38 #define SET_PROTOCOL 0x210b 39 40 /* HID descriptor types */ 41 #define USB_DT_HID 0x21 42 #define USB_DT_REPORT 0x22 43 #define USB_DT_PHY 0x23 44 45 typedef struct USBHIDState { 46 USBDevice dev; 47 USBEndpoint *intr; 48 HIDState hid; 49 } USBHIDState; 50 51 enum { 52 STR_MANUFACTURER = 1, 53 STR_PRODUCT_MOUSE, 54 STR_PRODUCT_TABLET, 55 STR_PRODUCT_KEYBOARD, 56 STR_SERIALNUMBER, 57 STR_CONFIG_MOUSE, 58 STR_CONFIG_TABLET, 59 STR_CONFIG_KEYBOARD, 60 }; 61 62 static const USBDescStrings desc_strings = { 63 [STR_MANUFACTURER] = "QEMU", 64 [STR_PRODUCT_MOUSE] = "QEMU USB Mouse", 65 [STR_PRODUCT_TABLET] = "QEMU USB Tablet", 66 [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard", 67 [STR_SERIALNUMBER] = "42", /* == remote wakeup works */ 68 [STR_CONFIG_MOUSE] = "HID Mouse", 69 [STR_CONFIG_TABLET] = "HID Tablet", 70 [STR_CONFIG_KEYBOARD] = "HID Keyboard", 71 }; 72 73 static const USBDescIface desc_iface_mouse = { 74 .bInterfaceNumber = 0, 75 .bNumEndpoints = 1, 76 .bInterfaceClass = USB_CLASS_HID, 77 .bInterfaceSubClass = 0x01, /* boot */ 78 .bInterfaceProtocol = 0x02, 79 .ndesc = 1, 80 .descs = (USBDescOther[]) { 81 { 82 /* HID descriptor */ 83 .data = (uint8_t[]) { 84 0x09, /* u8 bLength */ 85 USB_DT_HID, /* u8 bDescriptorType */ 86 0x01, 0x00, /* u16 HID_class */ 87 0x00, /* u8 country_code */ 88 0x01, /* u8 num_descriptors */ 89 USB_DT_REPORT, /* u8 type: Report */ 90 52, 0, /* u16 len */ 91 }, 92 }, 93 }, 94 .eps = (USBDescEndpoint[]) { 95 { 96 .bEndpointAddress = USB_DIR_IN | 0x01, 97 .bmAttributes = USB_ENDPOINT_XFER_INT, 98 .wMaxPacketSize = 4, 99 .bInterval = 0x0a, 100 }, 101 }, 102 }; 103 104 static const USBDescIface desc_iface_tablet = { 105 .bInterfaceNumber = 0, 106 .bNumEndpoints = 1, 107 .bInterfaceClass = USB_CLASS_HID, 108 .bInterfaceProtocol = 0x02, 109 .ndesc = 1, 110 .descs = (USBDescOther[]) { 111 { 112 /* HID descriptor */ 113 .data = (uint8_t[]) { 114 0x09, /* u8 bLength */ 115 USB_DT_HID, /* u8 bDescriptorType */ 116 0x01, 0x00, /* u16 HID_class */ 117 0x00, /* u8 country_code */ 118 0x01, /* u8 num_descriptors */ 119 USB_DT_REPORT, /* u8 type: Report */ 120 74, 0, /* u16 len */ 121 }, 122 }, 123 }, 124 .eps = (USBDescEndpoint[]) { 125 { 126 .bEndpointAddress = USB_DIR_IN | 0x01, 127 .bmAttributes = USB_ENDPOINT_XFER_INT, 128 .wMaxPacketSize = 8, 129 .bInterval = 0x0a, 130 }, 131 }, 132 }; 133 134 static const USBDescIface desc_iface_keyboard = { 135 .bInterfaceNumber = 0, 136 .bNumEndpoints = 1, 137 .bInterfaceClass = USB_CLASS_HID, 138 .bInterfaceSubClass = 0x01, /* boot */ 139 .bInterfaceProtocol = 0x01, /* keyboard */ 140 .ndesc = 1, 141 .descs = (USBDescOther[]) { 142 { 143 /* HID descriptor */ 144 .data = (uint8_t[]) { 145 0x09, /* u8 bLength */ 146 USB_DT_HID, /* u8 bDescriptorType */ 147 0x11, 0x01, /* u16 HID_class */ 148 0x00, /* u8 country_code */ 149 0x01, /* u8 num_descriptors */ 150 USB_DT_REPORT, /* u8 type: Report */ 151 0x3f, 0, /* u16 len */ 152 }, 153 }, 154 }, 155 .eps = (USBDescEndpoint[]) { 156 { 157 .bEndpointAddress = USB_DIR_IN | 0x01, 158 .bmAttributes = USB_ENDPOINT_XFER_INT, 159 .wMaxPacketSize = 8, 160 .bInterval = 0x0a, 161 }, 162 }, 163 }; 164 165 static const USBDescDevice desc_device_mouse = { 166 .bcdUSB = 0x0100, 167 .bMaxPacketSize0 = 8, 168 .bNumConfigurations = 1, 169 .confs = (USBDescConfig[]) { 170 { 171 .bNumInterfaces = 1, 172 .bConfigurationValue = 1, 173 .iConfiguration = STR_CONFIG_MOUSE, 174 .bmAttributes = 0xa0, 175 .bMaxPower = 50, 176 .nif = 1, 177 .ifs = &desc_iface_mouse, 178 }, 179 }, 180 }; 181 182 static const USBDescDevice desc_device_tablet = { 183 .bcdUSB = 0x0100, 184 .bMaxPacketSize0 = 8, 185 .bNumConfigurations = 1, 186 .confs = (USBDescConfig[]) { 187 { 188 .bNumInterfaces = 1, 189 .bConfigurationValue = 1, 190 .iConfiguration = STR_CONFIG_TABLET, 191 .bmAttributes = 0xa0, 192 .bMaxPower = 50, 193 .nif = 1, 194 .ifs = &desc_iface_tablet, 195 }, 196 }, 197 }; 198 199 static const USBDescDevice desc_device_keyboard = { 200 .bcdUSB = 0x0100, 201 .bMaxPacketSize0 = 8, 202 .bNumConfigurations = 1, 203 .confs = (USBDescConfig[]) { 204 { 205 .bNumInterfaces = 1, 206 .bConfigurationValue = 1, 207 .iConfiguration = STR_CONFIG_KEYBOARD, 208 .bmAttributes = 0xa0, 209 .bMaxPower = 50, 210 .nif = 1, 211 .ifs = &desc_iface_keyboard, 212 }, 213 }, 214 }; 215 216 static const USBDesc desc_mouse = { 217 .id = { 218 .idVendor = 0x0627, 219 .idProduct = 0x0001, 220 .bcdDevice = 0, 221 .iManufacturer = STR_MANUFACTURER, 222 .iProduct = STR_PRODUCT_MOUSE, 223 .iSerialNumber = STR_SERIALNUMBER, 224 }, 225 .full = &desc_device_mouse, 226 .str = desc_strings, 227 }; 228 229 static const USBDesc desc_tablet = { 230 .id = { 231 .idVendor = 0x0627, 232 .idProduct = 0x0001, 233 .bcdDevice = 0, 234 .iManufacturer = STR_MANUFACTURER, 235 .iProduct = STR_PRODUCT_TABLET, 236 .iSerialNumber = STR_SERIALNUMBER, 237 }, 238 .full = &desc_device_tablet, 239 .str = desc_strings, 240 }; 241 242 static const USBDesc desc_keyboard = { 243 .id = { 244 .idVendor = 0x0627, 245 .idProduct = 0x0001, 246 .bcdDevice = 0, 247 .iManufacturer = STR_MANUFACTURER, 248 .iProduct = STR_PRODUCT_KEYBOARD, 249 .iSerialNumber = STR_SERIALNUMBER, 250 }, 251 .full = &desc_device_keyboard, 252 .str = desc_strings, 253 }; 254 255 static const uint8_t qemu_mouse_hid_report_descriptor[] = { 256 0x05, 0x01, /* Usage Page (Generic Desktop) */ 257 0x09, 0x02, /* Usage (Mouse) */ 258 0xa1, 0x01, /* Collection (Application) */ 259 0x09, 0x01, /* Usage (Pointer) */ 260 0xa1, 0x00, /* Collection (Physical) */ 261 0x05, 0x09, /* Usage Page (Button) */ 262 0x19, 0x01, /* Usage Minimum (1) */ 263 0x29, 0x03, /* Usage Maximum (3) */ 264 0x15, 0x00, /* Logical Minimum (0) */ 265 0x25, 0x01, /* Logical Maximum (1) */ 266 0x95, 0x03, /* Report Count (3) */ 267 0x75, 0x01, /* Report Size (1) */ 268 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 269 0x95, 0x01, /* Report Count (1) */ 270 0x75, 0x05, /* Report Size (5) */ 271 0x81, 0x01, /* Input (Constant) */ 272 0x05, 0x01, /* Usage Page (Generic Desktop) */ 273 0x09, 0x30, /* Usage (X) */ 274 0x09, 0x31, /* Usage (Y) */ 275 0x09, 0x38, /* Usage (Wheel) */ 276 0x15, 0x81, /* Logical Minimum (-0x7f) */ 277 0x25, 0x7f, /* Logical Maximum (0x7f) */ 278 0x75, 0x08, /* Report Size (8) */ 279 0x95, 0x03, /* Report Count (3) */ 280 0x81, 0x06, /* Input (Data, Variable, Relative) */ 281 0xc0, /* End Collection */ 282 0xc0, /* End Collection */ 283 }; 284 285 static const uint8_t qemu_tablet_hid_report_descriptor[] = { 286 0x05, 0x01, /* Usage Page (Generic Desktop) */ 287 0x09, 0x01, /* Usage (Pointer) */ 288 0xa1, 0x01, /* Collection (Application) */ 289 0x09, 0x01, /* Usage (Pointer) */ 290 0xa1, 0x00, /* Collection (Physical) */ 291 0x05, 0x09, /* Usage Page (Button) */ 292 0x19, 0x01, /* Usage Minimum (1) */ 293 0x29, 0x03, /* Usage Maximum (3) */ 294 0x15, 0x00, /* Logical Minimum (0) */ 295 0x25, 0x01, /* Logical Maximum (1) */ 296 0x95, 0x03, /* Report Count (3) */ 297 0x75, 0x01, /* Report Size (1) */ 298 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 299 0x95, 0x01, /* Report Count (1) */ 300 0x75, 0x05, /* Report Size (5) */ 301 0x81, 0x01, /* Input (Constant) */ 302 0x05, 0x01, /* Usage Page (Generic Desktop) */ 303 0x09, 0x30, /* Usage (X) */ 304 0x09, 0x31, /* Usage (Y) */ 305 0x15, 0x00, /* Logical Minimum (0) */ 306 0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */ 307 0x35, 0x00, /* Physical Minimum (0) */ 308 0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */ 309 0x75, 0x10, /* Report Size (16) */ 310 0x95, 0x02, /* Report Count (2) */ 311 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 312 0x05, 0x01, /* Usage Page (Generic Desktop) */ 313 0x09, 0x38, /* Usage (Wheel) */ 314 0x15, 0x81, /* Logical Minimum (-0x7f) */ 315 0x25, 0x7f, /* Logical Maximum (0x7f) */ 316 0x35, 0x00, /* Physical Minimum (same as logical) */ 317 0x45, 0x00, /* Physical Maximum (same as logical) */ 318 0x75, 0x08, /* Report Size (8) */ 319 0x95, 0x01, /* Report Count (1) */ 320 0x81, 0x06, /* Input (Data, Variable, Relative) */ 321 0xc0, /* End Collection */ 322 0xc0, /* End Collection */ 323 }; 324 325 static const uint8_t qemu_keyboard_hid_report_descriptor[] = { 326 0x05, 0x01, /* Usage Page (Generic Desktop) */ 327 0x09, 0x06, /* Usage (Keyboard) */ 328 0xa1, 0x01, /* Collection (Application) */ 329 0x75, 0x01, /* Report Size (1) */ 330 0x95, 0x08, /* Report Count (8) */ 331 0x05, 0x07, /* Usage Page (Key Codes) */ 332 0x19, 0xe0, /* Usage Minimum (224) */ 333 0x29, 0xe7, /* Usage Maximum (231) */ 334 0x15, 0x00, /* Logical Minimum (0) */ 335 0x25, 0x01, /* Logical Maximum (1) */ 336 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 337 0x95, 0x01, /* Report Count (1) */ 338 0x75, 0x08, /* Report Size (8) */ 339 0x81, 0x01, /* Input (Constant) */ 340 0x95, 0x05, /* Report Count (5) */ 341 0x75, 0x01, /* Report Size (1) */ 342 0x05, 0x08, /* Usage Page (LEDs) */ 343 0x19, 0x01, /* Usage Minimum (1) */ 344 0x29, 0x05, /* Usage Maximum (5) */ 345 0x91, 0x02, /* Output (Data, Variable, Absolute) */ 346 0x95, 0x01, /* Report Count (1) */ 347 0x75, 0x03, /* Report Size (3) */ 348 0x91, 0x01, /* Output (Constant) */ 349 0x95, 0x06, /* Report Count (6) */ 350 0x75, 0x08, /* Report Size (8) */ 351 0x15, 0x00, /* Logical Minimum (0) */ 352 0x25, 0xff, /* Logical Maximum (255) */ 353 0x05, 0x07, /* Usage Page (Key Codes) */ 354 0x19, 0x00, /* Usage Minimum (0) */ 355 0x29, 0xff, /* Usage Maximum (255) */ 356 0x81, 0x00, /* Input (Data, Array) */ 357 0xc0, /* End Collection */ 358 }; 359 360 static void usb_hid_changed(HIDState *hs) 361 { 362 USBHIDState *us = container_of(hs, USBHIDState, hid); 363 364 usb_wakeup(us->intr); 365 } 366 367 static void usb_hid_handle_reset(USBDevice *dev) 368 { 369 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 370 371 hid_reset(&us->hid); 372 } 373 374 static void usb_hid_handle_control(USBDevice *dev, USBPacket *p, 375 int request, int value, int index, int length, uint8_t *data) 376 { 377 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 378 HIDState *hs = &us->hid; 379 int ret; 380 381 ret = usb_desc_handle_control(dev, p, request, value, index, length, data); 382 if (ret >= 0) { 383 return; 384 } 385 386 switch (request) { 387 /* hid specific requests */ 388 case InterfaceRequest | USB_REQ_GET_DESCRIPTOR: 389 switch (value >> 8) { 390 case 0x22: 391 if (hs->kind == HID_MOUSE) { 392 memcpy(data, qemu_mouse_hid_report_descriptor, 393 sizeof(qemu_mouse_hid_report_descriptor)); 394 p->actual_length = sizeof(qemu_mouse_hid_report_descriptor); 395 } else if (hs->kind == HID_TABLET) { 396 memcpy(data, qemu_tablet_hid_report_descriptor, 397 sizeof(qemu_tablet_hid_report_descriptor)); 398 p->actual_length = sizeof(qemu_tablet_hid_report_descriptor); 399 } else if (hs->kind == HID_KEYBOARD) { 400 memcpy(data, qemu_keyboard_hid_report_descriptor, 401 sizeof(qemu_keyboard_hid_report_descriptor)); 402 p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor); 403 } 404 break; 405 default: 406 goto fail; 407 } 408 break; 409 case GET_REPORT: 410 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 411 p->actual_length = hid_pointer_poll(hs, data, length); 412 } else if (hs->kind == HID_KEYBOARD) { 413 p->actual_length = hid_keyboard_poll(hs, data, length); 414 } 415 break; 416 case SET_REPORT: 417 if (hs->kind == HID_KEYBOARD) { 418 p->actual_length = hid_keyboard_write(hs, data, length); 419 } else { 420 goto fail; 421 } 422 break; 423 case GET_PROTOCOL: 424 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 425 goto fail; 426 } 427 data[0] = hs->protocol; 428 p->actual_length = 1; 429 break; 430 case SET_PROTOCOL: 431 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 432 goto fail; 433 } 434 hs->protocol = value; 435 break; 436 case GET_IDLE: 437 data[0] = hs->idle; 438 p->actual_length = 1; 439 break; 440 case SET_IDLE: 441 hs->idle = (uint8_t) (value >> 8); 442 hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock)); 443 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 444 hid_pointer_activate(hs); 445 } 446 break; 447 default: 448 fail: 449 p->status = USB_RET_STALL; 450 break; 451 } 452 } 453 454 static void usb_hid_handle_data(USBDevice *dev, USBPacket *p) 455 { 456 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 457 HIDState *hs = &us->hid; 458 uint8_t buf[p->iov.size]; 459 int len = 0; 460 461 switch (p->pid) { 462 case USB_TOKEN_IN: 463 if (p->ep->nr == 1) { 464 int64_t curtime = qemu_get_clock_ns(vm_clock); 465 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 466 hid_pointer_activate(hs); 467 } 468 if (!hid_has_events(hs) && 469 (!hs->idle || hs->next_idle_clock - curtime > 0)) { 470 p->status = USB_RET_NAK; 471 return; 472 } 473 hid_set_next_idle(hs, curtime); 474 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 475 len = hid_pointer_poll(hs, buf, p->iov.size); 476 } else if (hs->kind == HID_KEYBOARD) { 477 len = hid_keyboard_poll(hs, buf, p->iov.size); 478 } 479 usb_packet_copy(p, buf, len); 480 } else { 481 goto fail; 482 } 483 break; 484 case USB_TOKEN_OUT: 485 default: 486 fail: 487 p->status = USB_RET_STALL; 488 break; 489 } 490 } 491 492 static void usb_hid_handle_destroy(USBDevice *dev) 493 { 494 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 495 496 hid_free(&us->hid); 497 } 498 499 static int usb_hid_initfn(USBDevice *dev, int kind) 500 { 501 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 502 503 usb_desc_init(dev); 504 us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); 505 hid_init(&us->hid, kind, usb_hid_changed); 506 return 0; 507 } 508 509 static int usb_tablet_initfn(USBDevice *dev) 510 { 511 return usb_hid_initfn(dev, HID_TABLET); 512 } 513 514 static int usb_mouse_initfn(USBDevice *dev) 515 { 516 return usb_hid_initfn(dev, HID_MOUSE); 517 } 518 519 static int usb_keyboard_initfn(USBDevice *dev) 520 { 521 return usb_hid_initfn(dev, HID_KEYBOARD); 522 } 523 524 static int usb_ptr_post_load(void *opaque, int version_id) 525 { 526 USBHIDState *s = opaque; 527 528 if (s->dev.remote_wakeup) { 529 hid_pointer_activate(&s->hid); 530 } 531 return 0; 532 } 533 534 static const VMStateDescription vmstate_usb_ptr = { 535 .name = "usb-ptr", 536 .version_id = 1, 537 .minimum_version_id = 1, 538 .post_load = usb_ptr_post_load, 539 .fields = (VMStateField []) { 540 VMSTATE_USB_DEVICE(dev, USBHIDState), 541 VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState), 542 VMSTATE_END_OF_LIST() 543 } 544 }; 545 546 static const VMStateDescription vmstate_usb_kbd = { 547 .name = "usb-kbd", 548 .version_id = 1, 549 .minimum_version_id = 1, 550 .fields = (VMStateField []) { 551 VMSTATE_USB_DEVICE(dev, USBHIDState), 552 VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState), 553 VMSTATE_END_OF_LIST() 554 } 555 }; 556 557 static void usb_hid_class_initfn(ObjectClass *klass, void *data) 558 { 559 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 560 561 uc->handle_reset = usb_hid_handle_reset; 562 uc->handle_control = usb_hid_handle_control; 563 uc->handle_data = usb_hid_handle_data; 564 uc->handle_destroy = usb_hid_handle_destroy; 565 } 566 567 static void usb_tablet_class_initfn(ObjectClass *klass, void *data) 568 { 569 DeviceClass *dc = DEVICE_CLASS(klass); 570 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 571 572 usb_hid_class_initfn(klass, data); 573 uc->init = usb_tablet_initfn; 574 uc->product_desc = "QEMU USB Tablet"; 575 uc->usb_desc = &desc_tablet; 576 dc->vmsd = &vmstate_usb_ptr; 577 } 578 579 static TypeInfo usb_tablet_info = { 580 .name = "usb-tablet", 581 .parent = TYPE_USB_DEVICE, 582 .instance_size = sizeof(USBHIDState), 583 .class_init = usb_tablet_class_initfn, 584 }; 585 586 static void usb_mouse_class_initfn(ObjectClass *klass, void *data) 587 { 588 DeviceClass *dc = DEVICE_CLASS(klass); 589 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 590 591 usb_hid_class_initfn(klass, data); 592 uc->init = usb_mouse_initfn; 593 uc->product_desc = "QEMU USB Mouse"; 594 uc->usb_desc = &desc_mouse; 595 dc->vmsd = &vmstate_usb_ptr; 596 } 597 598 static TypeInfo usb_mouse_info = { 599 .name = "usb-mouse", 600 .parent = TYPE_USB_DEVICE, 601 .instance_size = sizeof(USBHIDState), 602 .class_init = usb_mouse_class_initfn, 603 }; 604 605 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data) 606 { 607 DeviceClass *dc = DEVICE_CLASS(klass); 608 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 609 610 usb_hid_class_initfn(klass, data); 611 uc->init = usb_keyboard_initfn; 612 uc->product_desc = "QEMU USB Keyboard"; 613 uc->usb_desc = &desc_keyboard; 614 dc->vmsd = &vmstate_usb_kbd; 615 } 616 617 static TypeInfo usb_keyboard_info = { 618 .name = "usb-kbd", 619 .parent = TYPE_USB_DEVICE, 620 .instance_size = sizeof(USBHIDState), 621 .class_init = usb_keyboard_class_initfn, 622 }; 623 624 static void usb_hid_register_types(void) 625 { 626 type_register_static(&usb_tablet_info); 627 usb_legacy_register("usb-tablet", "tablet", NULL); 628 type_register_static(&usb_mouse_info); 629 usb_legacy_register("usb-mouse", "mouse", NULL); 630 type_register_static(&usb_keyboard_info); 631 usb_legacy_register("usb-kbd", "keyboard", NULL); 632 } 633 634 type_init(usb_hid_register_types) 635