Lines Matching refs:nbytes
341 unsigned int nbytes) in comedi_buf_write_alloc() argument
346 if (nbytes > unalloc) in comedi_buf_write_alloc()
347 nbytes = unalloc; in comedi_buf_write_alloc()
349 async->buf_write_alloc_count += nbytes; in comedi_buf_write_alloc()
357 return nbytes; in comedi_buf_write_alloc()
431 unsigned int nbytes) in comedi_buf_write_free() argument
436 if (nbytes > allocated) in comedi_buf_write_free()
437 nbytes = allocated; in comedi_buf_write_free()
439 async->buf_write_count += nbytes; in comedi_buf_write_free()
440 async->buf_write_ptr += nbytes; in comedi_buf_write_free()
445 return nbytes; in comedi_buf_write_free()
496 unsigned int nbytes) in comedi_buf_read_alloc() argument
502 if (nbytes > available) in comedi_buf_read_alloc()
503 nbytes = available; in comedi_buf_read_alloc()
505 async->buf_read_alloc_count += nbytes; in comedi_buf_read_alloc()
513 return nbytes; in comedi_buf_read_alloc()
536 unsigned int nbytes) in comedi_buf_read_free() argument
548 if (nbytes > allocated) in comedi_buf_read_free()
549 nbytes = allocated; in comedi_buf_read_free()
551 async->buf_read_count += nbytes; in comedi_buf_read_free()
552 async->buf_read_ptr += nbytes; in comedi_buf_read_free()
554 return nbytes; in comedi_buf_read_free()
582 void *dest, unsigned int nbytes) in comedi_buf_memcpy_from() argument
588 while (nbytes) { in comedi_buf_memcpy_from()
593 if (nbytes >= async->prealloc_bufsz - read_ptr) in comedi_buf_memcpy_from()
596 block_size = nbytes; in comedi_buf_memcpy_from()
599 nbytes -= block_size; in comedi_buf_memcpy_from()
626 unsigned int nbytes; in comedi_buf_write_samples() local
643 nbytes = comedi_buf_write_alloc(s, in comedi_buf_write_samples()
645 comedi_buf_memcpy_to(s, data, nbytes); in comedi_buf_write_samples()
646 comedi_buf_write_free(s, nbytes); in comedi_buf_write_samples()
647 comedi_inc_scan_progress(s, nbytes); in comedi_buf_write_samples()
650 return nbytes; in comedi_buf_write_samples()
672 unsigned int nbytes; in comedi_buf_read_samples() local
683 nbytes = comedi_buf_read_alloc(s, in comedi_buf_read_samples()
685 comedi_buf_memcpy_from(s, data, nbytes); in comedi_buf_read_samples()
686 comedi_buf_read_free(s, nbytes); in comedi_buf_read_samples()
687 comedi_inc_scan_progress(s, nbytes); in comedi_buf_read_samples()
690 return nbytes; in comedi_buf_read_samples()