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  • uspace/drv/uhci-hcd/uhci_struct/transfer_descriptor.h

    rf9014bc r7dd3318  
    9393void transfer_descriptor_init(transfer_descriptor_t *instance,
    9494    int error_count, size_t size, bool toggle, bool isochronous,
    95     usb_target_t target, int pid, void *buffer);
     95    usb_target_t target, int pid, void *buffer, transfer_descriptor_t * next);
    9696
    9797int transfer_descriptor_status(transfer_descriptor_t *instance);
     98
     99static inline size_t transfer_descriptor_actual_size(
     100    transfer_descriptor_t *instance)
     101{
     102        assert(instance);
     103        return
     104            ((instance->status >> TD_STATUS_ACTLEN_POS) + 1) & TD_STATUS_ACTLEN_MASK;
     105}
    98106
    99107static inline bool transfer_descriptor_is_active(
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