diff options
| -rw-r--r-- | hw/usb/desc.c | 23 | ||||
| -rw-r--r-- | hw/usb/desc.h | 10 |
2 files changed, 22 insertions, 11 deletions
diff --git a/hw/usb/desc.c b/hw/usb/desc.c index de7e204..5cecb25 100644 --- a/hw/usb/desc.c +++ b/hw/usb/desc.c @@ -53,22 +53,23 @@ int usb_desc_device_qualifier(const USBDescDevice *dev, uint8_t *dest, size_t len) { uint8_t bLength = 0x0a; + USBDescriptor *d = (void *)dest; if (len < bLength) { return -1; } - dest[0x00] = bLength; - dest[0x01] = USB_DT_DEVICE_QUALIFIER; - - dest[0x02] = usb_lo(dev->bcdUSB); - dest[0x03] = usb_hi(dev->bcdUSB); - dest[0x04] = dev->bDeviceClass; - dest[0x05] = dev->bDeviceSubClass; - dest[0x06] = dev->bDeviceProtocol; - dest[0x07] = dev->bMaxPacketSize0; - dest[0x08] = dev->bNumConfigurations; - dest[0x09] = 0; /* reserved */ + d->bLength = bLength; + d->bDescriptorType = USB_DT_DEVICE_QUALIFIER; + + d->u.device_qualifier.bcdUSB_lo = usb_lo(dev->bcdUSB); + d->u.device_qualifier.bcdUSB_hi = usb_hi(dev->bcdUSB); + d->u.device_qualifier.bDeviceClass = dev->bDeviceClass; + d->u.device_qualifier.bDeviceSubClass = dev->bDeviceSubClass; + d->u.device_qualifier.bDeviceProtocol = dev->bDeviceProtocol; + d->u.device_qualifier.bMaxPacketSize0 = dev->bMaxPacketSize0; + d->u.device_qualifier.bNumConfigurations = dev->bNumConfigurations; + d->u.device_qualifier.bReserved = 0; return bLength; } diff --git a/hw/usb/desc.h b/hw/usb/desc.h index c5a242e..15d0780 100644 --- a/hw/usb/desc.h +++ b/hw/usb/desc.h @@ -26,6 +26,16 @@ typedef struct USBDescriptor { uint8_t iSerialNumber; uint8_t bNumConfigurations; } device; + struct { + uint8_t bcdUSB_lo; + uint8_t bcdUSB_hi; + uint8_t bDeviceClass; + uint8_t bDeviceSubClass; + uint8_t bDeviceProtocol; + uint8_t bMaxPacketSize0; + uint8_t bNumConfigurations; + uint8_t bReserved; + } device_qualifier; } u; } QEMU_PACKED USBDescriptor; |