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 int 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 ret; 384 } 385 386 ret = 0; 387 switch (request) { 388 /* hid specific requests */ 389 case InterfaceRequest | USB_REQ_GET_DESCRIPTOR: 390 switch (value >> 8) { 391 case 0x22: 392 if (hs->kind == HID_MOUSE) { 393 memcpy(data, qemu_mouse_hid_report_descriptor, 394 sizeof(qemu_mouse_hid_report_descriptor)); 395 ret = sizeof(qemu_mouse_hid_report_descriptor); 396 } else if (hs->kind == HID_TABLET) { 397 memcpy(data, qemu_tablet_hid_report_descriptor, 398 sizeof(qemu_tablet_hid_report_descriptor)); 399 ret = sizeof(qemu_tablet_hid_report_descriptor); 400 } else if (hs->kind == HID_KEYBOARD) { 401 memcpy(data, qemu_keyboard_hid_report_descriptor, 402 sizeof(qemu_keyboard_hid_report_descriptor)); 403 ret = sizeof(qemu_keyboard_hid_report_descriptor); 404 } 405 break; 406 default: 407 goto fail; 408 } 409 break; 410 case GET_REPORT: 411 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 412 ret = hid_pointer_poll(hs, data, length); 413 } else if (hs->kind == HID_KEYBOARD) { 414 ret = hid_keyboard_poll(hs, data, length); 415 } 416 break; 417 case SET_REPORT: 418 if (hs->kind == HID_KEYBOARD) { 419 ret = hid_keyboard_write(hs, data, length); 420 } else { 421 goto fail; 422 } 423 break; 424 case GET_PROTOCOL: 425 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 426 goto fail; 427 } 428 ret = 1; 429 data[0] = hs->protocol; 430 break; 431 case SET_PROTOCOL: 432 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 433 goto fail; 434 } 435 ret = 0; 436 hs->protocol = value; 437 break; 438 case GET_IDLE: 439 ret = 1; 440 data[0] = hs->idle; 441 break; 442 case SET_IDLE: 443 hs->idle = (uint8_t) (value >> 8); 444 hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock)); 445 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 446 hid_pointer_activate(hs); 447 } 448 ret = 0; 449 break; 450 default: 451 fail: 452 ret = USB_RET_STALL; 453 break; 454 } 455 return ret; 456 } 457 458 static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) 459 { 460 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 461 HIDState *hs = &us->hid; 462 uint8_t buf[p->iov.size]; 463 int ret = 0; 464 465 switch (p->pid) { 466 case USB_TOKEN_IN: 467 if (p->ep->nr == 1) { 468 int64_t curtime = qemu_get_clock_ns(vm_clock); 469 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 470 hid_pointer_activate(hs); 471 } 472 if (!hid_has_events(hs) && 473 (!hs->idle || hs->next_idle_clock - curtime > 0)) { 474 return USB_RET_NAK; 475 } 476 hid_set_next_idle(hs, curtime); 477 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 478 ret = hid_pointer_poll(hs, buf, p->iov.size); 479 } else if (hs->kind == HID_KEYBOARD) { 480 ret = hid_keyboard_poll(hs, buf, p->iov.size); 481 } 482 usb_packet_copy(p, buf, ret); 483 } else { 484 goto fail; 485 } 486 break; 487 case USB_TOKEN_OUT: 488 default: 489 fail: 490 ret = USB_RET_STALL; 491 break; 492 } 493 return ret; 494 } 495 496 static void usb_hid_handle_destroy(USBDevice *dev) 497 { 498 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 499 500 hid_free(&us->hid); 501 } 502 503 static int usb_hid_initfn(USBDevice *dev, int kind) 504 { 505 USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); 506 507 usb_desc_init(dev); 508 us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); 509 hid_init(&us->hid, kind, usb_hid_changed); 510 return 0; 511 } 512 513 static int usb_tablet_initfn(USBDevice *dev) 514 { 515 return usb_hid_initfn(dev, HID_TABLET); 516 } 517 518 static int usb_mouse_initfn(USBDevice *dev) 519 { 520 return usb_hid_initfn(dev, HID_MOUSE); 521 } 522 523 static int usb_keyboard_initfn(USBDevice *dev) 524 { 525 return usb_hid_initfn(dev, HID_KEYBOARD); 526 } 527 528 static int usb_ptr_post_load(void *opaque, int version_id) 529 { 530 USBHIDState *s = opaque; 531 532 if (s->dev.remote_wakeup) { 533 hid_pointer_activate(&s->hid); 534 } 535 return 0; 536 } 537 538 static const VMStateDescription vmstate_usb_ptr = { 539 .name = "usb-ptr", 540 .version_id = 1, 541 .minimum_version_id = 1, 542 .post_load = usb_ptr_post_load, 543 .fields = (VMStateField []) { 544 VMSTATE_USB_DEVICE(dev, USBHIDState), 545 VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState), 546 VMSTATE_END_OF_LIST() 547 } 548 }; 549 550 static const VMStateDescription vmstate_usb_kbd = { 551 .name = "usb-kbd", 552 .version_id = 1, 553 .minimum_version_id = 1, 554 .fields = (VMStateField []) { 555 VMSTATE_USB_DEVICE(dev, USBHIDState), 556 VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState), 557 VMSTATE_END_OF_LIST() 558 } 559 }; 560 561 static void usb_hid_class_initfn(ObjectClass *klass, void *data) 562 { 563 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 564 565 uc->handle_reset = usb_hid_handle_reset; 566 uc->handle_control = usb_hid_handle_control; 567 uc->handle_data = usb_hid_handle_data; 568 uc->handle_destroy = usb_hid_handle_destroy; 569 } 570 571 static void usb_tablet_class_initfn(ObjectClass *klass, void *data) 572 { 573 DeviceClass *dc = DEVICE_CLASS(klass); 574 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 575 576 usb_hid_class_initfn(klass, data); 577 uc->init = usb_tablet_initfn; 578 uc->product_desc = "QEMU USB Tablet"; 579 uc->usb_desc = &desc_tablet; 580 dc->vmsd = &vmstate_usb_ptr; 581 } 582 583 static TypeInfo usb_tablet_info = { 584 .name = "usb-tablet", 585 .parent = TYPE_USB_DEVICE, 586 .instance_size = sizeof(USBHIDState), 587 .class_init = usb_tablet_class_initfn, 588 }; 589 590 static void usb_mouse_class_initfn(ObjectClass *klass, void *data) 591 { 592 DeviceClass *dc = DEVICE_CLASS(klass); 593 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 594 595 usb_hid_class_initfn(klass, data); 596 uc->init = usb_mouse_initfn; 597 uc->product_desc = "QEMU USB Mouse"; 598 uc->usb_desc = &desc_mouse; 599 dc->vmsd = &vmstate_usb_ptr; 600 } 601 602 static TypeInfo usb_mouse_info = { 603 .name = "usb-mouse", 604 .parent = TYPE_USB_DEVICE, 605 .instance_size = sizeof(USBHIDState), 606 .class_init = usb_mouse_class_initfn, 607 }; 608 609 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data) 610 { 611 DeviceClass *dc = DEVICE_CLASS(klass); 612 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 613 614 usb_hid_class_initfn(klass, data); 615 uc->init = usb_keyboard_initfn; 616 uc->product_desc = "QEMU USB Keyboard"; 617 uc->usb_desc = &desc_keyboard; 618 dc->vmsd = &vmstate_usb_kbd; 619 } 620 621 static TypeInfo usb_keyboard_info = { 622 .name = "usb-kbd", 623 .parent = TYPE_USB_DEVICE, 624 .instance_size = sizeof(USBHIDState), 625 .class_init = usb_keyboard_class_initfn, 626 }; 627 628 static void usb_hid_register_types(void) 629 { 630 type_register_static(&usb_tablet_info); 631 usb_legacy_register("usb-tablet", "tablet", NULL); 632 type_register_static(&usb_mouse_info); 633 usb_legacy_register("usb-mouse", "mouse", NULL); 634 type_register_static(&usb_keyboard_info); 635 usb_legacy_register("usb-kbd", "keyboard", NULL); 636 } 637 638 type_init(usb_hid_register_types) 639