Revision 7f74a56b hw/usb.c
| b/hw/usb.c | ||
|---|---|---|
| 227 | 227 |
* |
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* Returns length of the transaction or one of the USB_RET_XXX codes. |
| 229 | 229 |
*/ |
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int usb_generic_handle_packet(USBDevice *s, USBPacket *p) |
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static int usb_generic_handle_packet(USBDevice *s, USBPacket *p)
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{
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/* Rest of the PIDs must match our address */ |
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if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr) |
| ... | ... | |
| 318 | 318 |
if (dev == NULL) {
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| 319 | 319 |
return USB_RET_NODEV; |
| 320 | 320 |
} |
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assert(dev->addr == p->devaddr); |
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| 321 | 322 |
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assert(p->owner == NULL); |
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ret = usb_device_handle_packet(dev, p);
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ret = usb_generic_handle_packet(dev, p);
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if (ret == USB_RET_ASYNC) {
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if (p->owner == NULL) {
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p->owner = usb_ep_get(dev, p->pid, p->devep); |
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} else {
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/* We'll end up here when usb_handle_packet is called |
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* recursively due to a hub being in the chain. Nothing |
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* to do. Leave p->owner pointing to the device, not the |
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* hub. */; |
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} |
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p->owner = usb_ep_get(dev, p->pid, p->devep); |
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| 333 | 327 |
} |
| 334 | 328 |
return ret; |
| 335 | 329 |
} |
| ... | ... | |
| 339 | 333 |
handle_packet. */ |
| 340 | 334 |
void usb_packet_complete(USBDevice *dev, USBPacket *p) |
| 341 | 335 |
{
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/* Note: p->owner != dev is possible in case dev is a hub */ |
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assert(p->owner != NULL); |
| 344 | 337 |
p->owner = NULL; |
| 345 | 338 |
dev->port->ops->complete(dev->port, p); |
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