@@ -200,21 +200,23 @@ int usb_desc_endpoint(const USBDescEndpoint *ep, uint8_t *dest, size_t len)
{
uint8_t bLength = ep->is_audio ? 0x09 : 0x07;
uint8_t extralen = ep->extra ? ep->extra[0] : 0;
+ USBDescriptor *d = (void *)dest;
if (len < bLength + extralen) {
return -1;
}
- dest[0x00] = bLength;
- dest[0x01] = USB_DT_ENDPOINT;
- dest[0x02] = ep->bEndpointAddress;
- dest[0x03] = ep->bmAttributes;
- dest[0x04] = usb_lo(ep->wMaxPacketSize);
- dest[0x05] = usb_hi(ep->wMaxPacketSize);
- dest[0x06] = ep->bInterval;
+ d->bLength = bLength;
+ d->bDescriptorType = USB_DT_ENDPOINT;
+
+ d->u.endpoint.bEndpointAddress = ep->bEndpointAddress;
+ d->u.endpoint.bmAttributes = ep->bmAttributes;
+ d->u.endpoint.wMaxPacketSize_lo = usb_lo(ep->wMaxPacketSize);
+ d->u.endpoint.wMaxPacketSize_hi = usb_hi(ep->wMaxPacketSize);
+ d->u.endpoint.bInterval = ep->bInterval;
if (ep->is_audio) {
- dest[0x07] = ep->bRefresh;
- dest[0x08] = ep->bSynchAddress;
+ d->u.endpoint.bRefresh = ep->bRefresh;
+ d->u.endpoint.bSynchAddress = ep->bSynchAddress;
}
if (ep->extra) {
memcpy(dest + bLength, ep->extra, extralen);
@@ -54,6 +54,15 @@ typedef struct USBDescriptor {
uint8_t bInterfaceProtocol;
uint8_t iInterface;
} interface;
+ struct {
+ uint8_t bEndpointAddress;
+ uint8_t bmAttributes;
+ uint8_t wMaxPacketSize_lo;
+ uint8_t wMaxPacketSize_hi;
+ uint8_t bInterval;
+ uint8_t bRefresh; /* only audio ep */
+ uint8_t bSynchAddress; /* only audio ep */
+ } endpoint;
} u;
} QEMU_PACKED USBDescriptor;
Add endpoint descriptor substruct to USBDescriptor, use it in the descriptor generator code. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- hw/usb/desc.c | 20 +++++++++++--------- hw/usb/desc.h | 9 +++++++++ 2 files changed, 20 insertions(+), 9 deletions(-)