busses/usb/ehci.cpp

271 print_descriptor_chain(ehci_qtd *descriptor)
273 	while (descriptor) {
277 			descriptor->this_phy, descriptor->next_phy,
278 			descriptor->alt_next_phy, descriptor->token,
279 			descriptor->buffer_phy[0], descriptor->buffer_phy[1],
280 			descriptor->buffer_phy[2], descriptor->buffer_phy[3],
281 			descriptor->buffer_phy[4], descriptor->buffer_size);
283 		if (descriptor->next_phy & EHCI_ITEM_TERMINATE)
286 		descriptor = descriptor->next_log;
980 	ehci_qtd *descriptor = transferData->queue_head->element_log;
982 	while (descriptor) {
983 		uint32 status = descriptor->token;
994 		if ((descriptor->next_phy & EHCI_ITEM_TERMINATE) != 0) {
995 			// we arrived at the last (stray) descriptor, we're done
1003 			// a short packet condition existed on this descriptor
1004 			if (descriptor->alt_next_log != NULL) {
1005 				descriptor = descriptor->alt_next_log;
1013 		descriptor = descriptor->next_log;
1047 	ehci_qtd *descriptor = transferData->queue_head->element_log;
1048 	while (descriptor != NULL) {
1049 		descriptor->token &= ~EHCI_QTD_STATUS_ACTIVE;
1050 		descriptor = descriptor->next_log;
1180 	// Ignore the fact that the last descriptor might need less bandwidth.
1184 	TRACE("isochronous transfer descriptor bandwidth %d\n", bandwidth);
1186 	// The following holds the list of transfer descriptor of the
1203 	// Find the entry where to start inserting the first Isochronous descriptor
1331 	// Simply check every last descriptor of the isochronous transfer list
1758 			ehci_qtd *descriptor = current->queue_head->element_log;
1759 			while (descriptor) {
1760 				descriptor->token &= ~EHCI_QTD_STATUS_ACTIVE;
1761 				descriptor = descriptor->next_log;
1882 			ehci_qtd *descriptor = transfer->queue_head->element_log;
1885 			while (descriptor) {
1886 				uint32 status = descriptor->token;
1890 						descriptor->this_phy);
1897 						"\n", descriptor->this_phy, status);
1946 				if (descriptor->next_phy & EHCI_ITEM_TERMINATE) {
1947 					// we arrived at the last (stray) descriptor, we're done
1949 						descriptor->this_phy);
1959 					// a short packet condition existed on this descriptor,
1961 					if (descriptor->alt_next_log != NULL) {
1962 						descriptor = descriptor->alt_next_log;
1972 				descriptor = descriptor->next_log;
2124 	* isochronous descriptor. Once it finds the last isochronous descriptor
2174 				// Process the transfer if we found the last descriptor
2259 	ehci_qtd *descriptor = CreateDescriptor(0, 0);
2260 	if (!descriptor) {
2266 	descriptor->token &= ~EHCI_QTD_STATUS_ACTIVE;
2267 	result->stray_log = descriptor;
2268 	result->element_log = descriptor;
2270 	result->overlay.next_phy = descriptor->this_phy;
2607 		ehci_qtd *descriptor = CreateDescriptor(min_c(packetSize, bufferSize),
2610 		if (!descriptor) {
2616 			descriptor->token |= EHCI_QTD_DATA_TOGGLE;
2619 			LinkDescriptors(lastDescriptor, descriptor, strayDescriptor);
2622 		lastDescriptor = descriptor;
2624 			firstDescriptor = descriptor;
2634 EHCI::FreeDescriptor(ehci_qtd *descriptor)
2636 	if (!descriptor)
2639 	if (descriptor->buffer_log) {
2640 		fStack->FreeChunk(descriptor->buffer_log,
2641 			(phys_addr_t)descriptor->buffer_phy[0], descriptor->buffer_size);
2644 	fStack->FreeChunk(descriptor, (phys_addr_t)descriptor->this_phy,
2702 EHCI::FreeDescriptor(ehci_itd *descriptor)
2704 	if (!descriptor)
2707 	fStack->FreeChunk(descriptor, (phys_addr_t)descriptor->this_phy,
2713 EHCI::FreeDescriptor(ehci_sitd *descriptor)
2715 	if (!descriptor)
2718 	fStack->FreeChunk(descriptor, (phys_addr_t)descriptor->this_phy,
2818 					TRACE("wrote descriptor chain (%ld bytes, no more vectors)"
2838 	TRACE("wrote descriptor chain (%ld bytes)\n", actualLength);
2878 					TRACE("read descriptor chain (%ld bytes, no more vectors)"
2899 	TRACE("read descriptor chain (%ld bytes)\n", actualLength);