diff options
| -rw-r--r-- | hw/usb/desc.c | 20 | ||||
| -rw-r--r-- | hw/usb/desc.h | 9 |
2 files changed, 20 insertions, 9 deletions
diff --git a/hw/usb/desc.c b/hw/usb/desc.c index 2b8febb020..3c77368cb0 100644 --- a/hw/usb/desc.c +++ b/hw/usb/desc.c @@ -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); diff --git a/hw/usb/desc.h b/hw/usb/desc.h index 6f42eae8b9..d164e8f891 100644 --- a/hw/usb/desc.h +++ b/hw/usb/desc.h @@ -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; |