/* * This work is licensed under the terms of the GNU GPL, version 2 or * (at your option) any later version. See the COPYING file in the * top-level directory. */ #include "qemu/iov.h" #include "hw/qdev.h" #include "hw/virtio/virtio.h" #include "hw/virtio/virtio-input.h" #undef CONFIG_CURSES #include "ui/console.h" #include "standard-headers/linux/input.h" #define VIRTIO_ID_NAME_KEYBOARD "QEMU Virtio Keyboard" #define VIRTIO_ID_NAME_MOUSE "QEMU Virtio Mouse" #define VIRTIO_ID_NAME_TABLET "QEMU Virtio Tablet" /* ----------------------------------------------------------------- */ static const unsigned int keymap_qcode[Q_KEY_CODE_MAX] = { [Q_KEY_CODE_ESC] = KEY_ESC, [Q_KEY_CODE_1] = KEY_1, [Q_KEY_CODE_2] = KEY_2, [Q_KEY_CODE_3] = KEY_3, [Q_KEY_CODE_4] = KEY_4, [Q_KEY_CODE_5] = KEY_5, [Q_KEY_CODE_6] = KEY_6, [Q_KEY_CODE_7] = KEY_7, [Q_KEY_CODE_8] = KEY_8, [Q_KEY_CODE_9] = KEY_9, [Q_KEY_CODE_0] = KEY_0, [Q_KEY_CODE_MINUS] = KEY_MINUS, [Q_KEY_CODE_EQUAL] = KEY_EQUAL, [Q_KEY_CODE_BACKSPACE] = KEY_BACKSPACE, [Q_KEY_CODE_TAB] = KEY_TAB, [Q_KEY_CODE_Q] = KEY_Q, [Q_KEY_CODE_W] = KEY_W, [Q_KEY_CODE_E] = KEY_E, [Q_KEY_CODE_R] = KEY_R, [Q_KEY_CODE_T] = KEY_T, [Q_KEY_CODE_Y] = KEY_Y, [Q_KEY_CODE_U] = KEY_U, [Q_KEY_CODE_I] = KEY_I, [Q_KEY_CODE_O] = KEY_O, [Q_KEY_CODE_P] = KEY_P, [Q_KEY_CODE_BRACKET_LEFT] = KEY_LEFTBRACE, [Q_KEY_CODE_BRACKET_RIGHT] = KEY_RIGHTBRACE, [Q_KEY_CODE_RET] = KEY_ENTER, [Q_KEY_CODE_CTRL] = KEY_LEFTCTRL, [Q_KEY_CODE_A] = KEY_A, [Q_KEY_CODE_S] = KEY_S, [Q_KEY_CODE_D] = KEY_D, [Q_KEY_CODE_F] = KEY_F, [Q_KEY_CODE_G] = KEY_G, [Q_KEY_CODE_H] = KEY_H, [Q_KEY_CODE_J] = KEY_J, [Q_KEY_CODE_K] = KEY_K, [Q_KEY_CODE_L] = KEY_L, [Q_KEY_CODE_SEMICOLON] = KEY_SEMICOLON, [Q_KEY_CODE_APOSTROPHE] = KEY_APOSTROPHE, [Q_KEY_CODE_GRAVE_ACCENT] = KEY_GRAVE, [Q_KEY_CODE_SHIFT] = KEY_LEFTSHIFT, [Q_KEY_CODE_BACKSLASH] = KEY_BACKSLASH, [Q_KEY_CODE_LESS] = KEY_102ND, [Q_KEY_CODE_Z] = KEY_Z, [Q_KEY_CODE_X] = KEY_X, [Q_KEY_CODE_C] = KEY_C, [Q_KEY_CODE_V] = KEY_V, [Q_KEY_CODE_B] = KEY_B, [Q_KEY_CODE_N] = KEY_N, [Q_KEY_CODE_M] = KEY_M, [Q_KEY_CODE_COMMA] = KEY_COMMA, [Q_KEY_CODE_DOT] = KEY_DOT, [Q_KEY_CODE_SLASH] = KEY_SLASH, [Q_KEY_CODE_SHIFT_R] = KEY_RIGHTSHIFT, [Q_KEY_CODE_ALT] = KEY_LEFTALT, [Q_KEY_CODE_SPC] = KEY_SPACE, [Q_KEY_CODE_CAPS_LOCK] = KEY_CAPSLOCK, [Q_KEY_CODE_F1] = KEY_F1, [Q_KEY_CODE_F2] = KEY_F2, [Q_KEY_CODE_F3] = KEY_F3, [Q_KEY_CODE_F4] = KEY_F4, [Q_KEY_CODE_F5] = KEY_F5, [Q_KEY_CODE_F6] = KEY_F6, [Q_KEY_CODE_F7] = KEY_F7, [Q_KEY_CODE_F8] = KEY_F8, [Q_KEY_CODE_F9] = KEY_F9, [Q_KEY_CODE_F10] = KEY_F10, [Q_KEY_CODE_NUM_LOCK] = KEY_NUMLOCK, [Q_KEY_CODE_SCROLL_LOCK] = KEY_SCROLLLOCK, [Q_KEY_CODE_KP_0] = KEY_KP0, [Q_KEY_CODE_KP_1] = KEY_KP1, [Q_KEY_CODE_KP_2] = KEY_KP2, [Q_KEY_CODE_KP_3] = KEY_KP3, [Q_KEY_CODE_KP_4] = KEY_KP4, [Q_KEY_CODE_KP_5] = KEY_KP5, [Q_KEY_CODE_KP_6] = KEY_KP6, [Q_KEY_CODE_KP_7] = KEY_KP7, [Q_KEY_CODE_KP_8] = KEY_KP8, [Q_KEY_CODE_KP_9] = KEY_KP9, [Q_KEY_CODE_KP_SUBTRACT] = KEY_KPMINUS, [Q_KEY_CODE_KP_ADD] = KEY_KPPLUS, [Q_KEY_CODE_KP_DECIMAL] = KEY_KPDOT, [Q_KEY_CODE_KP_ENTER] = KEY_KPENTER, [Q_KEY_CODE_KP_DIVIDE] = KEY_KPSLASH, [Q_KEY_CODE_KP_MULTIPLY] = KEY_KPASTERISK, [Q_KEY_CODE_F11] = KEY_F11, [Q_KEY_CODE_F12] = KEY_F12, [Q_KEY_CODE_CTRL_R] = KEY_RIGHTCTRL, [Q_KEY_CODE_SYSRQ] = KEY_SYSRQ, [Q_KEY_CODE_ALT_R] = KEY_RIGHTALT, [Q_KEY_CODE_HOME] = KEY_HOME, [Q_KEY_CODE_UP] = KEY_UP, [Q_KEY_CODE_PGUP] = KEY_PAGEUP, [Q_KEY_CODE_LEFT] = KEY_LEFT, [Q_KEY_CODE_RIGHT] = KEY_RIGHT, [Q_KEY_CODE_END] = KEY_END, [Q_KEY_CODE_DOWN] = KEY_DOWN, [Q_KEY_CODE_PGDN] = KEY_PAGEDOWN, [Q_KEY_CODE_INSERT] = KEY_INSERT, [Q_KEY_CODE_DELETE] = KEY_DELETE, [Q_KEY_CODE_META_L] = KEY_LEFTMETA, [Q_KEY_CODE_META_R] = KEY_RIGHTMETA, [Q_KEY_CODE_MENU] = KEY_MENU, }; static const unsigned int keymap_button[INPUT_BUTTON_MAX] = { [INPUT_BUTTON_LEFT] = BTN_LEFT, [INPUT_BUTTON_RIGHT] = BTN_RIGHT, [INPUT_BUTTON_MIDDLE] = BTN_MIDDLE, [INPUT_BUTTON_WHEEL_UP] = BTN_GEAR_UP, [INPUT_BUTTON_WHEEL_DOWN] = BTN_GEAR_DOWN, }; static const unsigned int axismap_rel[INPUT_AXIS_MAX] = { [INPUT_AXIS_X] = REL_X, [INPUT_AXIS_Y] = REL_Y, }; static const unsigned int axismap_abs[INPUT_AXIS_MAX] = { [INPUT_AXIS_X] = ABS_X, [INPUT_AXIS_Y] = ABS_Y, }; /* ----------------------------------------------------------------- */ static void virtio_input_key_config(VirtIOInput *vinput, const unsigned int *keymap, size_t mapsize) { virtio_input_config keys; int i, bit, byte, bmax = 0; memset(&keys, 0, sizeof(keys)); for (i = 0; i < mapsize; i++) { bit = keymap[i]; if (!bit) { continue; } byte = bit / 8; bit = bit % 8; keys.u.bitmap[byte] |= (1 << bit); if (bmax < byte+1) { bmax = byte+1; } } keys.select = VIRTIO_INPUT_CFG_EV_BITS; keys.subsel = EV_KEY; keys.size = bmax; virtio_input_add_config(vinput, &keys); } static void virtio_input_handle_event(DeviceState *dev, QemuConsole *src, InputEvent *evt) { VirtIOInput *vinput = VIRTIO_INPUT(dev); virtio_input_event event; int qcode; switch (evt->kind) { case INPUT_EVENT_KIND_KEY: qcode = qemu_input_key_value_to_qcode(evt->key->key); if (qcode && keymap_qcode[qcode]) { event.type = cpu_to_le16(EV_KEY); event.code = cpu_to_le16(keymap_qcode[qcode]); event.value = cpu_to_le32(evt->key->down ? 1 : 0); virtio_input_send(vinput, &event); } else { if (evt->key->down) { fprintf(stderr, "%s: unmapped key: %d [%s]\n", __func__, qcode, QKeyCode_lookup[qcode]); } } break; case INPUT_EVENT_KIND_BTN: if (keymap_button[evt->btn->button]) { event.type = cpu_to_le16(EV_KEY); event.code = cpu_to_le16(keymap_button[evt->btn->button]); event.value = cpu_to_le32(evt->btn->down ? 1 : 0); virtio_input_send(vinput, &event); } else { if (evt->btn->down) { fprintf(stderr, "%s: unmapped button: %d [%s]\n", __func__, evt->btn->button, InputButton_lookup[evt->btn->button]); } } break; case INPUT_EVENT_KIND_REL: event.type = cpu_to_le16(EV_REL); event.code = cpu_to_le16(axismap_rel[evt->rel->axis]); event.value = cpu_to_le32(evt->rel->value); virtio_input_send(vinput, &event); break; case INPUT_EVENT_KIND_ABS: event.type = cpu_to_le16(EV_ABS); event.code = cpu_to_le16(axismap_abs[evt->abs->axis]); event.value = cpu_to_le32(evt->abs->value); virtio_input_send(vinput, &event); break; default: /* keep gcc happy */ break; } } static void virtio_input_handle_sync(DeviceState *dev) { VirtIOInput *vinput = VIRTIO_INPUT(dev); virtio_input_event event = { .type = cpu_to_le16(EV_SYN), .code = cpu_to_le16(SYN_REPORT), .value = 0, }; virtio_input_send(vinput, &event); } static void virtio_input_hid_realize(DeviceState *dev, Error **errp) { VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); vhid->hs = qemu_input_handler_register(dev, vhid->handler); if (vhid->display && vhid->hs) { qemu_input_handler_bind(vhid->hs, vhid->display, vhid->head, NULL); } } static void virtio_input_hid_unrealize(DeviceState *dev, Error **errp) { VirtIOInputHID *vhid = VIRTIO_INPUT_HID(dev); qemu_input_handler_unregister(vhid->hs); } static void virtio_input_hid_change_active(VirtIOInput *vinput) { VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput); if (vinput->active) { qemu_input_handler_activate(vhid->hs); } else { qemu_input_handler_deactivate(vhid->hs); } } static void virtio_input_hid_handle_status(VirtIOInput *vinput, virtio_input_event *event) { VirtIOInputHID *vhid = VIRTIO_INPUT_HID(vinput); int ledbit = 0; switch (le16_to_cpu(event->type)) { case EV_LED: if (event->code == LED_NUML) { ledbit = QEMU_NUM_LOCK_LED; } else if (event->code == LED_CAPSL) { ledbit = QEMU_CAPS_LOCK_LED; } else if (event->code == LED_SCROLLL) { ledbit = QEMU_SCROLL_LOCK_LED; } if (event->value) { vhid->ledstate |= ledbit; } else { vhid->ledstate &= ~ledbit; } kbd_put_ledstate(vhid->ledstate); break; default: fprintf(stderr, "%s: unknown type %d\n", __func__, le16_to_cpu(event->type)); break; } } static Property virtio_input_hid_properties[] = { DEFINE_PROP_STRING("display", VirtIOInputHID, display), DEFINE_PROP_UINT32("head", VirtIOInputHID, head, 0), }; static void virtio_input_hid_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); VirtIOInputClass *vic = VIRTIO_INPUT_CLASS(klass); dc->props = virtio_input_hid_properties; vic->realize = virtio_input_hid_realize; vic->unrealize = virtio_input_hid_unrealize; vic->change_active = virtio_input_hid_change_active; vic->handle_status = virtio_input_hid_handle_status; } static const TypeInfo virtio_input_hid_info = { .name = TYPE_VIRTIO_INPUT_HID, .parent = TYPE_VIRTIO_INPUT, .instance_size = sizeof(VirtIOInputHID), .class_init = virtio_input_hid_class_init, .abstract = true, }; /* ----------------------------------------------------------------- */ static QemuInputHandler virtio_keyboard_handler = { .name = VIRTIO_ID_NAME_KEYBOARD, .mask = INPUT_EVENT_MASK_KEY, .event = virtio_input_handle_event, .sync = virtio_input_handle_sync, }; static struct virtio_input_config virtio_keyboard_config[] = { { .select = VIRTIO_INPUT_CFG_ID_NAME, .size = sizeof(VIRTIO_ID_NAME_KEYBOARD), .u.string = VIRTIO_ID_NAME_KEYBOARD, },{ .select = VIRTIO_INPUT_CFG_ID_DEVIDS, .size = sizeof(struct virtio_input_devids), .u.ids = { .bustype = const_le16(BUS_VIRTUAL), .vendor = const_le16(0x0627), /* same we use for usb hid devices */ .product = const_le16(0x0001), .version = const_le16(0x0001), }, },{ .select = VIRTIO_INPUT_CFG_EV_BITS, .subsel = EV_REP, .size = 1, },{ .select = VIRTIO_INPUT_CFG_EV_BITS, .subsel = EV_LED, .size = 1, .u.bitmap = { (1 << LED_NUML) | (1 << LED_CAPSL) | (1 << LED_SCROLLL), }, }, { /* end of list */ }, }; static void virtio_keyboard_init(Object *obj) { VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); VirtIOInput *vinput = VIRTIO_INPUT(obj); vhid->handler = &virtio_keyboard_handler; virtio_input_init_config(vinput, virtio_keyboard_config); virtio_input_key_config(vinput, keymap_qcode, ARRAY_SIZE(keymap_qcode)); } static const TypeInfo virtio_keyboard_info = { .name = TYPE_VIRTIO_KEYBOARD, .parent = TYPE_VIRTIO_INPUT_HID, .instance_size = sizeof(VirtIOInputHID), .instance_init = virtio_keyboard_init, }; /* ----------------------------------------------------------------- */ static QemuInputHandler virtio_mouse_handler = { .name = VIRTIO_ID_NAME_MOUSE, .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL, .event = virtio_input_handle_event, .sync = virtio_input_handle_sync, }; static struct virtio_input_config virtio_mouse_config[] = { { .select = VIRTIO_INPUT_CFG_ID_NAME, .size = sizeof(VIRTIO_ID_NAME_MOUSE), .u.string = VIRTIO_ID_NAME_MOUSE, },{ .select = VIRTIO_INPUT_CFG_ID_DEVIDS, .size = sizeof(struct virtio_input_devids), .u.ids = { .bustype = const_le16(BUS_VIRTUAL), .vendor = const_le16(0x0627), /* same we use for usb hid devices */ .product = const_le16(0x0002), .version = const_le16(0x0001), }, },{ .select = VIRTIO_INPUT_CFG_EV_BITS, .subsel = EV_REL, .size = 1, .u.bitmap = { (1 << REL_X) | (1 << REL_Y), }, }, { /* end of list */ }, }; static void virtio_mouse_init(Object *obj) { VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); VirtIOInput *vinput = VIRTIO_INPUT(obj); vhid->handler = &virtio_mouse_handler; virtio_input_init_config(vinput, virtio_mouse_config); virtio_input_key_config(vinput, keymap_button, ARRAY_SIZE(keymap_button)); } static const TypeInfo virtio_mouse_info = { .name = TYPE_VIRTIO_MOUSE, .parent = TYPE_VIRTIO_INPUT_HID, .instance_size = sizeof(VirtIOInputHID), .instance_init = virtio_mouse_init, }; /* ----------------------------------------------------------------- */ static QemuInputHandler virtio_tablet_handler = { .name = VIRTIO_ID_NAME_TABLET, .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_ABS, .event = virtio_input_handle_event, .sync = virtio_input_handle_sync, }; static struct virtio_input_config virtio_tablet_config[] = { { .select = VIRTIO_INPUT_CFG_ID_NAME, .size = sizeof(VIRTIO_ID_NAME_TABLET), .u.string = VIRTIO_ID_NAME_TABLET, },{ .select = VIRTIO_INPUT_CFG_ID_DEVIDS, .size = sizeof(struct virtio_input_devids), .u.ids = { .bustype = const_le16(BUS_VIRTUAL), .vendor = const_le16(0x0627), /* same we use for usb hid devices */ .product = const_le16(0x0003), .version = const_le16(0x0001), }, },{ .select = VIRTIO_INPUT_CFG_EV_BITS, .subsel = EV_ABS, .size = 1, .u.bitmap = { (1 << ABS_X) | (1 << ABS_Y), }, },{ .select = VIRTIO_INPUT_CFG_ABS_INFO, .subsel = ABS_X, .size = sizeof(virtio_input_absinfo), .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE), },{ .select = VIRTIO_INPUT_CFG_ABS_INFO, .subsel = ABS_Y, .size = sizeof(virtio_input_absinfo), .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE), }, { /* end of list */ }, }; static void virtio_tablet_init(Object *obj) { VirtIOInputHID *vhid = VIRTIO_INPUT_HID(obj); VirtIOInput *vinput = VIRTIO_INPUT(obj); vhid->handler = &virtio_tablet_handler; virtio_input_init_config(vinput, virtio_tablet_config); virtio_input_key_config(vinput, keymap_button, ARRAY_SIZE(keymap_button)); } static const TypeInfo virtio_tablet_info = { .name = TYPE_VIRTIO_TABLET, .parent = TYPE_VIRTIO_INPUT_HID, .instance_size = sizeof(VirtIOInputHID), .instance_init = virtio_tablet_init, }; /* ----------------------------------------------------------------- */ static void virtio_register_types(void) { type_register_static(&virtio_input_hid_info); type_register_static(&virtio_keyboard_info); type_register_static(&virtio_mouse_info); type_register_static(&virtio_tablet_info); } type_init(virtio_register_types)