diff options
Diffstat (limited to 'hw/usb/dev-hid.c')
-rw-r--r-- | hw/usb/dev-hid.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c index b3dcd23109..55266b18ef 100644 --- a/hw/usb/dev-hid.c +++ b/hw/usb/dev-hid.c @@ -371,7 +371,7 @@ static void usb_hid_handle_reset(USBDevice *dev) hid_reset(&us->hid); } -static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, +static void usb_hid_handle_control(USBDevice *dev, USBPacket *p, int request, int value, int index, int length, uint8_t *data) { USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); @@ -380,10 +380,9 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, ret = usb_desc_handle_control(dev, p, request, value, index, length, data); if (ret >= 0) { - return ret; + return; } - ret = 0; switch (request) { /* hid specific requests */ case InterfaceRequest | USB_REQ_GET_DESCRIPTOR: @@ -392,15 +391,15 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, if (hs->kind == HID_MOUSE) { memcpy(data, qemu_mouse_hid_report_descriptor, sizeof(qemu_mouse_hid_report_descriptor)); - ret = sizeof(qemu_mouse_hid_report_descriptor); + p->actual_length = sizeof(qemu_mouse_hid_report_descriptor); } else if (hs->kind == HID_TABLET) { memcpy(data, qemu_tablet_hid_report_descriptor, sizeof(qemu_tablet_hid_report_descriptor)); - ret = sizeof(qemu_tablet_hid_report_descriptor); + p->actual_length = sizeof(qemu_tablet_hid_report_descriptor); } else if (hs->kind == HID_KEYBOARD) { memcpy(data, qemu_keyboard_hid_report_descriptor, sizeof(qemu_keyboard_hid_report_descriptor)); - ret = sizeof(qemu_keyboard_hid_report_descriptor); + p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor); } break; default: @@ -409,14 +408,14 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, break; case GET_REPORT: if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { - ret = hid_pointer_poll(hs, data, length); + p->actual_length = hid_pointer_poll(hs, data, length); } else if (hs->kind == HID_KEYBOARD) { - ret = hid_keyboard_poll(hs, data, length); + p->actual_length = hid_keyboard_poll(hs, data, length); } break; case SET_REPORT: if (hs->kind == HID_KEYBOARD) { - ret = hid_keyboard_write(hs, data, length); + p->actual_length = hid_keyboard_write(hs, data, length); } else { goto fail; } @@ -425,19 +424,18 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { goto fail; } - ret = 1; data[0] = hs->protocol; + p->actual_length = 1; break; case SET_PROTOCOL: if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { goto fail; } - ret = 0; hs->protocol = value; break; case GET_IDLE: - ret = 1; data[0] = hs->idle; + p->actual_length = 1; break; case SET_IDLE: hs->idle = (uint8_t) (value >> 8); @@ -445,22 +443,20 @@ static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { hid_pointer_activate(hs); } - ret = 0; break; default: fail: - ret = USB_RET_STALL; + p->status = USB_RET_STALL; break; } - return ret; } -static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) +static void usb_hid_handle_data(USBDevice *dev, USBPacket *p) { USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); HIDState *hs = &us->hid; uint8_t buf[p->iov.size]; - int ret = 0; + int len = 0; switch (p->pid) { case USB_TOKEN_IN: @@ -471,15 +467,16 @@ static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) } if (!hid_has_events(hs) && (!hs->idle || hs->next_idle_clock - curtime > 0)) { - return USB_RET_NAK; + p->status = USB_RET_NAK; + return; } hid_set_next_idle(hs, curtime); if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { - ret = hid_pointer_poll(hs, buf, p->iov.size); + len = hid_pointer_poll(hs, buf, p->iov.size); } else if (hs->kind == HID_KEYBOARD) { - ret = hid_keyboard_poll(hs, buf, p->iov.size); + len = hid_keyboard_poll(hs, buf, p->iov.size); } - usb_packet_copy(p, buf, ret); + usb_packet_copy(p, buf, len); } else { goto fail; } @@ -487,10 +484,9 @@ static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) case USB_TOKEN_OUT: default: fail: - ret = USB_RET_STALL; + p->status = USB_RET_STALL; break; } - return ret; } static void usb_hid_handle_destroy(USBDevice *dev) |