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6
7#include "qemu/osdep.h"
8#include "qemu/iov.h"
9
10#include "hw/qdev.h"
11#include "hw/virtio/virtio.h"
12#include "hw/virtio/virtio-input.h"
13
14#undef CONFIG_CURSES
15#include "ui/console.h"
16
17#include "standard-headers/linux/input.h"
18
19#define VIRTIO_ID_NAME_KEYBOARD "QEMU Virtio Keyboard"
20#define VIRTIO_ID_NAME_MOUSE "QEMU Virtio Mouse"
21#define VIRTIO_ID_NAME_TABLET "QEMU Virtio Tablet"
22
23
24
25static const unsigned int keymap_qcode[Q_KEY_CODE__MAX] = {
26 [Q_KEY_CODE_ESC] = KEY_ESC,
27 [Q_KEY_CODE_1] = KEY_1,
28 [Q_KEY_CODE_2] = KEY_2,
29 [Q_KEY_CODE_3] = KEY_3,
30 [Q_KEY_CODE_4] = KEY_4,
31 [Q_KEY_CODE_5] = KEY_5,
32 [Q_KEY_CODE_6] = KEY_6,
33 [Q_KEY_CODE_7] = KEY_7,
34 [Q_KEY_CODE_8] = KEY_8,
35 [Q_KEY_CODE_9] = KEY_9,
36 [Q_KEY_CODE_0] = KEY_0,
37 [Q_KEY_CODE_MINUS] = KEY_MINUS,
38 [Q_KEY_CODE_EQUAL] = KEY_EQUAL,
39 [Q_KEY_CODE_BACKSPACE] = KEY_BACKSPACE,
40
41 [Q_KEY_CODE_TAB] = KEY_TAB,
42 [Q_KEY_CODE_Q] = KEY_Q,
43 [Q_KEY_CODE_W] = KEY_W,
44 [Q_KEY_CODE_E] = KEY_E,
45 [Q_KEY_CODE_R] = KEY_R,
46 [Q_KEY_CODE_T] = KEY_T,
47 [Q_KEY_CODE_Y] = KEY_Y,
48 [Q_KEY_CODE_U] = KEY_U,
49 [Q_KEY_CODE_I] = KEY_I,
50 [Q_KEY_CODE_O] = KEY_O,
51 [Q_KEY_CODE_P] = KEY_P,
52 [Q_KEY_CODE_BRACKET_LEFT] = KEY_LEFTBRACE,
53 [Q_KEY_CODE_BRACKET_RIGHT] = KEY_RIGHTBRACE,
54 [Q_KEY_CODE_RET] = KEY_ENTER,
55
56 [Q_KEY_CODE_CTRL] = KEY_LEFTCTRL,
57 [Q_KEY_CODE_A] = KEY_A,
58 [Q_KEY_CODE_S] = KEY_S,
59 [Q_KEY_CODE_D] = KEY_D,
60 [Q_KEY_CODE_F] = KEY_F,
61 [Q_KEY_CODE_G] = KEY_G,
62 [Q_KEY_CODE_H] = KEY_H,
63 [Q_KEY_CODE_J] = KEY_J,
64 [Q_KEY_CODE_K] = KEY_K,
65 [Q_KEY_CODE_L] = KEY_L,
66 [Q_KEY_CODE_SEMICOLON] = KEY_SEMICOLON,
67 [Q_KEY_CODE_APOSTROPHE] = KEY_APOSTROPHE,
68 [Q_KEY_CODE_GRAVE_ACCENT] = KEY_GRAVE,
69
70 [Q_KEY_CODE_SHIFT] = KEY_LEFTSHIFT,
71 [Q_KEY_CODE_BACKSLASH] = KEY_BACKSLASH,
72 [Q_KEY_CODE_LESS] = KEY_102ND,
73 [Q_KEY_CODE_Z] = KEY_Z,
74 [Q_KEY_CODE_X] = KEY_X,
75 [Q_KEY_CODE_C] = KEY_C,
76 [Q_KEY_CODE_V] = KEY_V,
77 [Q_KEY_CODE_B] = KEY_B,
78 [Q_KEY_CODE_N] = KEY_N,
79 [Q_KEY_CODE_M] = KEY_M,
80 [Q_KEY_CODE_COMMA] = KEY_COMMA,
81 [Q_KEY_CODE_DOT] = KEY_DOT,
82 [Q_KEY_CODE_SLASH] = KEY_SLASH,
83 [Q_KEY_CODE_SHIFT_R] = KEY_RIGHTSHIFT,
84
85 [Q_KEY_CODE_ALT] = KEY_LEFTALT,
86 [Q_KEY_CODE_SPC] = KEY_SPACE,
87 [Q_KEY_CODE_CAPS_LOCK] = KEY_CAPSLOCK,
88
89 [Q_KEY_CODE_F1] = KEY_F1,
90 [Q_KEY_CODE_F2] = KEY_F2,
91 [Q_KEY_CODE_F3] = KEY_F3,
92 [Q_KEY_CODE_F4] = KEY_F4,
93 [Q_KEY_CODE_F5] = KEY_F5,
94 [Q_KEY_CODE_F6] = KEY_F6,
95 [Q_KEY_CODE_F7] = KEY_F7,
96 [Q_KEY_CODE_F8] = KEY_F8,
97 [Q_KEY_CODE_F9] = KEY_F9,
98 [Q_KEY_CODE_F10] = KEY_F10,
99 [Q_KEY_CODE_NUM_LOCK] = KEY_NUMLOCK,
100 [Q_KEY_CODE_SCROLL_LOCK] = KEY_SCROLLLOCK,
101
102 [Q_KEY_CODE_KP_0] = KEY_KP0,
103 [Q_KEY_CODE_KP_1] = KEY_KP1,
104 [Q_KEY_CODE_KP_2] = KEY_KP2,
105 [Q_KEY_CODE_KP_3] = KEY_KP3,
106 [Q_KEY_CODE_KP_4] = KEY_KP4,
107 [Q_KEY_CODE_KP_5] = KEY_KP5,
108 [Q_KEY_CODE_KP_6] = KEY_KP6,
109 [Q_KEY_CODE_KP_7] = KEY_KP7,
110 [Q_KEY_CODE_KP_8] = KEY_KP8,
111 [Q_KEY_CODE_KP_9] = KEY_KP9,
112 [Q_KEY_CODE_KP_SUBTRACT] = KEY_KPMINUS,
113 [Q_KEY_CODE_KP_ADD] = KEY_KPPLUS,
114 [Q_KEY_CODE_KP_DECIMAL] = KEY_KPDOT,
115 [Q_KEY_CODE_KP_ENTER] = KEY_KPENTER,
116 [Q_KEY_CODE_KP_DIVIDE] = KEY_KPSLASH,
117 [Q_KEY_CODE_KP_MULTIPLY] = KEY_KPASTERISK,
118
119 [Q_KEY_CODE_F11] = KEY_F11,
120 [Q_KEY_CODE_F12] = KEY_F12,
121
122 [Q_KEY_CODE_CTRL_R] = KEY_RIGHTCTRL,
123 [Q_KEY_CODE_SYSRQ] = KEY_SYSRQ,
124 [Q_KEY_CODE_PRINT] = KEY_SYSRQ,
125 [Q_KEY_CODE_PAUSE] = KEY_PAUSE,
126 [Q_KEY_CODE_ALT_R] = KEY_RIGHTALT,
127
128 [Q_KEY_CODE_HOME] = KEY_HOME,
129 [Q_KEY_CODE_UP] = KEY_UP,
130 [Q_KEY_CODE_PGUP] = KEY_PAGEUP,
131 [Q_KEY_CODE_LEFT] = KEY_LEFT,
132 [Q_KEY_CODE_RIGHT] = KEY_RIGHT,
133 [Q_KEY_CODE_END] = KEY_END,
134 [Q_KEY_CODE_DOWN] = KEY_DOWN,
135 [Q_KEY_CODE_PGDN] = KEY_PAGEDOWN,
136 [Q_KEY_CODE_INSERT] = KEY_INSERT,
137 [Q_KEY_CODE_DELETE] = KEY_DELETE,
138
139 [Q_KEY_CODE_META_L] = KEY_LEFTMETA,
140 [Q_KEY_CODE_META_R] = KEY_RIGHTMETA,
141 [Q_KEY_CODE_MENU] = KEY_MENU,
142};
143
144static const unsigned int keymap_button[INPUT_BUTTON__MAX] = {
145 [INPUT_BUTTON_LEFT] = BTN_LEFT,
146 [INPUT_BUTTON_RIGHT] = BTN_RIGHT,
147 [INPUT_BUTTON_MIDDLE] = BTN_MIDDLE,
148 [INPUT_BUTTON_WHEEL_UP] = BTN_GEAR_UP,
149 [INPUT_BUTTON_WHEEL_DOWN] = BTN_GEAR_DOWN,
150};
151
152static const unsigned int axismap_rel[INPUT_AXIS__MAX] = {
153 [INPUT_AXIS_X] = REL_X,
154 [INPUT_AXIS_Y] = REL_Y,
155};
156
157static const unsigned int axismap_abs[INPUT_AXIS__MAX] = {
158 [INPUT_AXIS_X] = ABS_X,
159 [INPUT_AXIS_Y] = ABS_Y,
160};
161
162
163
164static void virtio_input_key_config(VirtIOInput *vinput,
165 const unsigned int *keymap,
166 size_t mapsize)
167{
168 virtio_input_config keys;
169 int i, bit, byte, bmax = 0;
170
171 memset(&keys, 0, sizeof(keys));
172 for (i = 0; i < mapsize; i++) {
173 bit = keymap[i];
174 if (!bit) {
175 continue;
176 }
177 byte = bit / 8;
178 bit = bit % 8;
179 keys.u.bitmap[byte] |= (1 << bit);
180 if (bmax < byte+1) {
181 bmax = byte+1;
182 }
183 }
184 keys.select = VIRTIO_INPUT_CFG_EV_BITS;
185 keys.subsel = EV_KEY;
186 keys.size = bmax;
187 virtio_input_add_config(vinput, &keys);
188}
189
190static void virtio_input_handle_event(DeviceState *dev, QemuConsole *src,
191 InputEvent *evt)
192{
193 VirtIOInput *vinput = VIRTIO_INPUT(dev);
194 virtio_input_event event;
195 int qcode;
196 InputKeyEvent *key;
197 InputMoveEvent *move;
198 InputBtnEvent *btn;
199
200 switch (evt->type) {
201 case INPUT_EVENT_KIND_KEY:
202 key = evt->u.key.data;
203 qcode = qemu_input_key_value_to_qcode(key->key);
204 if (qcode && keymap_qcode[qcode]) {
205 event.type = cpu_to_le16(EV_KEY);
206 event.code = cpu_to_le16(keymap_qcode[qcode]);
207 event.value = cpu_to_le32(key->down ? 1 : 0);
208 virtio_input_send(vinput, &event);
209 } else {
210 if (key->down) {
211 fprintf(stderr, "%s: unmapped key: %d [%s]\n", __func__,
212 qcode, QKeyCode_lookup[qcode]);
213 }
214 }
215 break;
216 case INPUT_EVENT_KIND_BTN:
217 btn = evt->u.btn.data;
218 if (keymap_button[btn->button]) {
219 event.type = cpu_to_le16(EV_KEY);
220 event.code = cpu_to_le16(keymap_button[btn->button]);
221 event.value = cpu_to_le32(btn->down ? 1 : 0);
222 virtio_input_send(vinput, &event);
223 } else {
224 if (btn->down) {
225 fprintf(stderr, "%s: unmapped button: %d [%s]\n", __func__,
226 btn->button,
227 InputButton_lookup[btn->button]);
228 }
229 }
230 break;
231 case INPUT_EVENT_KIND_REL:
232 move = evt->u.rel.data;
233 event.type = cpu_to_le16(EV_REL);
234 event.code = cpu_to_le16(axismap_rel[move->axis]);
235 event.value = cpu_to_le32(move->value);
236 virtio_input_send(vinput, &event);
237 break;
238 case INPUT_EVENT_KIND_ABS:
239 move = evt->u.abs.data;
240 event.type = cpu_to_le16(EV_ABS);
241 event.code = cpu_to_le16(axismap_abs[move->axis]);
242 event.value = cpu_to_le32(move->value);
243 virtio_input_send(vinput, &event);
244 break;
245 default:
246
247 break;
248 }
249}
250
251static void virtio_input_handle_sync(DeviceState *dev)
252{
253 VirtIOInput *vinput = VIRTIO_INPUT(dev);
254 virtio_input_event event = {
255 .type = cpu_to_le16(EV_SYN),
256 .code = cpu_to_le16(SYN_REPORT),
257 .value = 0,
258 };
259
260 virtio_input_send(vinput, &event);
261}
262
263static void virtio_input_hid_realize(DeviceState *dev, Error **errp)
264{
265 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev);
266
267 vhid->hs = qemu_input_handler_register(dev, vhid->handler);
268 if (vhid->display && vhid->hs) {
269 qemu_input_handler_bind(vhid->hs, vhid->display, vhid->head, NULL);
270 }
271}
272
273static void virtio_input_hid_unrealize(DeviceState *dev, Error **errp)
274{
275 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev);
276 qemu_input_handler_unregister(vhid->hs);
277}
278
279static void virtio_input_hid_change_active(VirtIOInput *vinput)
280{
281 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput);
282
283 if (vinput->active) {
284 qemu_input_handler_activate(vhid->hs);
285 } else {
286 qemu_input_handler_deactivate(vhid->hs);
287 }
288}
289
290static void virtio_input_hid_handle_status(VirtIOInput *vinput,
291 virtio_input_event *event)
292{
293 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput);
294 int ledbit = 0;
295
296 switch (le16_to_cpu(event->type)) {
297 case EV_LED:
298 if (event->code == LED_NUML) {
299 ledbit = QEMU_NUM_LOCK_LED;
300 } else if (event->code == LED_CAPSL) {
301 ledbit = QEMU_CAPS_LOCK_LED;
302 } else if (event->code == LED_SCROLLL) {
303 ledbit = QEMU_SCROLL_LOCK_LED;
304 }
305 if (event->value) {
306 vhid->ledstate |= ledbit;
307 } else {
308 vhid->ledstate &= ~ledbit;
309 }
310 kbd_put_ledstate(vhid->ledstate);
311 break;
312 default:
313 fprintf(stderr, "%s: unknown type %d\n", __func__,
314 le16_to_cpu(event->type));
315 break;
316 }
317}
318
319static Property virtio_input_hid_properties[] = {
320 DEFINE_PROP_STRING("display", VirtIOInputHID, display),
321 DEFINE_PROP_UINT32("head", VirtIOInputHID, head, 0),
322 DEFINE_PROP_END_OF_LIST(),
323};
324
325static void virtio_input_hid_class_init(ObjectClass *klass, void *data)
326{
327 DeviceClass *dc = DEVICE_CLASS(klass);
328 VirtIOInputClass *vic = VIRTIO_INPUT_CLASS(klass);
329
330 dc->props = virtio_input_hid_properties;
331 vic->realize = virtio_input_hid_realize;
332 vic->unrealize = virtio_input_hid_unrealize;
333 vic->change_active = virtio_input_hid_change_active;
334 vic->handle_status = virtio_input_hid_handle_status;
335}
336
337static const TypeInfo virtio_input_hid_info = {
338 .name = TYPE_VIRTIO_INPUT_HID,
339 .parent = TYPE_VIRTIO_INPUT,
340 .instance_size = sizeof(VirtIOInputHID),
341 .class_init = virtio_input_hid_class_init,
342 .abstract = true,
343};
344
345
346
347static QemuInputHandler virtio_keyboard_handler = {
348 .name = VIRTIO_ID_NAME_KEYBOARD,
349 .mask = INPUT_EVENT_MASK_KEY,
350 .event = virtio_input_handle_event,
351 .sync = virtio_input_handle_sync,
352};
353
354static struct virtio_input_config virtio_keyboard_config[] = {
355 {
356 .select = VIRTIO_INPUT_CFG_ID_NAME,
357 .size = sizeof(VIRTIO_ID_NAME_KEYBOARD),
358 .u.string = VIRTIO_ID_NAME_KEYBOARD,
359 },{
360 .select = VIRTIO_INPUT_CFG_ID_DEVIDS,
361 .size = sizeof(struct virtio_input_devids),
362 .u.ids = {
363 .bustype = const_le16(BUS_VIRTUAL),
364 .vendor = const_le16(0x0627),
365 .product = const_le16(0x0001),
366 .version = const_le16(0x0001),
367 },
368 },{
369 .select = VIRTIO_INPUT_CFG_EV_BITS,
370 .subsel = EV_REP,
371 .size = 1,
372 },{
373 .select = VIRTIO_INPUT_CFG_EV_BITS,
374 .subsel = EV_LED,
375 .size = 1,
376 .u.bitmap = {
377 (1 << LED_NUML) | (1 << LED_CAPSL) | (1 << LED_SCROLLL),
378 },
379 },
380 { },
381};
382
383static void virtio_keyboard_init(Object *obj)
384{
385 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj);
386 VirtIOInput *vinput = VIRTIO_INPUT(obj);
387
388 vhid->handler = &virtio_keyboard_handler;
389 virtio_input_init_config(vinput, virtio_keyboard_config);
390 virtio_input_key_config(vinput, keymap_qcode,
391 ARRAY_SIZE(keymap_qcode));
392}
393
394static const TypeInfo virtio_keyboard_info = {
395 .name = TYPE_VIRTIO_KEYBOARD,
396 .parent = TYPE_VIRTIO_INPUT_HID,
397 .instance_size = sizeof(VirtIOInputHID),
398 .instance_init = virtio_keyboard_init,
399};
400
401
402
403static QemuInputHandler virtio_mouse_handler = {
404 .name = VIRTIO_ID_NAME_MOUSE,
405 .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL,
406 .event = virtio_input_handle_event,
407 .sync = virtio_input_handle_sync,
408};
409
410static struct virtio_input_config virtio_mouse_config[] = {
411 {
412 .select = VIRTIO_INPUT_CFG_ID_NAME,
413 .size = sizeof(VIRTIO_ID_NAME_MOUSE),
414 .u.string = VIRTIO_ID_NAME_MOUSE,
415 },{
416 .select = VIRTIO_INPUT_CFG_ID_DEVIDS,
417 .size = sizeof(struct virtio_input_devids),
418 .u.ids = {
419 .bustype = const_le16(BUS_VIRTUAL),
420 .vendor = const_le16(0x0627),
421 .product = const_le16(0x0002),
422 .version = const_le16(0x0001),
423 },
424 },{
425 .select = VIRTIO_INPUT_CFG_EV_BITS,
426 .subsel = EV_REL,
427 .size = 1,
428 .u.bitmap = {
429 (1 << REL_X) | (1 << REL_Y),
430 },
431 },
432 { },
433};
434
435static void virtio_mouse_init(Object *obj)
436{
437 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj);
438 VirtIOInput *vinput = VIRTIO_INPUT(obj);
439
440 vhid->handler = &virtio_mouse_handler;
441 virtio_input_init_config(vinput, virtio_mouse_config);
442 virtio_input_key_config(vinput, keymap_button,
443 ARRAY_SIZE(keymap_button));
444}
445
446static const TypeInfo virtio_mouse_info = {
447 .name = TYPE_VIRTIO_MOUSE,
448 .parent = TYPE_VIRTIO_INPUT_HID,
449 .instance_size = sizeof(VirtIOInputHID),
450 .instance_init = virtio_mouse_init,
451};
452
453
454
455static QemuInputHandler virtio_tablet_handler = {
456 .name = VIRTIO_ID_NAME_TABLET,
457 .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_ABS,
458 .event = virtio_input_handle_event,
459 .sync = virtio_input_handle_sync,
460};
461
462static struct virtio_input_config virtio_tablet_config[] = {
463 {
464 .select = VIRTIO_INPUT_CFG_ID_NAME,
465 .size = sizeof(VIRTIO_ID_NAME_TABLET),
466 .u.string = VIRTIO_ID_NAME_TABLET,
467 },{
468 .select = VIRTIO_INPUT_CFG_ID_DEVIDS,
469 .size = sizeof(struct virtio_input_devids),
470 .u.ids = {
471 .bustype = const_le16(BUS_VIRTUAL),
472 .vendor = const_le16(0x0627),
473 .product = const_le16(0x0003),
474 .version = const_le16(0x0001),
475 },
476 },{
477 .select = VIRTIO_INPUT_CFG_EV_BITS,
478 .subsel = EV_ABS,
479 .size = 1,
480 .u.bitmap = {
481 (1 << ABS_X) | (1 << ABS_Y),
482 },
483 },{
484 .select = VIRTIO_INPUT_CFG_ABS_INFO,
485 .subsel = ABS_X,
486 .size = sizeof(virtio_input_absinfo),
487 .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE - 1),
488 },{
489 .select = VIRTIO_INPUT_CFG_ABS_INFO,
490 .subsel = ABS_Y,
491 .size = sizeof(virtio_input_absinfo),
492 .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE - 1),
493 },
494 { },
495};
496
497static void virtio_tablet_init(Object *obj)
498{
499 VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj);
500 VirtIOInput *vinput = VIRTIO_INPUT(obj);
501
502 vhid->handler = &virtio_tablet_handler;
503 virtio_input_init_config(vinput, virtio_tablet_config);
504 virtio_input_key_config(vinput, keymap_button,
505 ARRAY_SIZE(keymap_button));
506}
507
508static const TypeInfo virtio_tablet_info = {
509 .name = TYPE_VIRTIO_TABLET,
510 .parent = TYPE_VIRTIO_INPUT_HID,
511 .instance_size = sizeof(VirtIOInputHID),
512 .instance_init = virtio_tablet_init,
513};
514
515
516
517static void virtio_register_types(void)
518{
519 type_register_static(&virtio_input_hid_info);
520 type_register_static(&virtio_keyboard_info);
521 type_register_static(&virtio_mouse_info);
522 type_register_static(&virtio_tablet_info);
523}
524
525type_init(virtio_register_types)
526
