Lines Matching refs:nbytes
288 unsigned int nbytes) in comedi_buf_write_alloc() argument
293 if (nbytes > unalloc) in comedi_buf_write_alloc()
294 nbytes = unalloc; in comedi_buf_write_alloc()
296 async->buf_write_alloc_count += nbytes; in comedi_buf_write_alloc()
304 return nbytes; in comedi_buf_write_alloc()
381 unsigned int nbytes) in comedi_buf_write_free() argument
386 if (nbytes > allocated) in comedi_buf_write_free()
387 nbytes = allocated; in comedi_buf_write_free()
389 async->buf_write_count += nbytes; in comedi_buf_write_free()
390 async->buf_write_ptr += nbytes; in comedi_buf_write_free()
395 return nbytes; in comedi_buf_write_free()
446 unsigned int nbytes) in comedi_buf_read_alloc() argument
452 if (nbytes > available) in comedi_buf_read_alloc()
453 nbytes = available; in comedi_buf_read_alloc()
455 async->buf_read_alloc_count += nbytes; in comedi_buf_read_alloc()
463 return nbytes; in comedi_buf_read_alloc()
486 unsigned int nbytes) in comedi_buf_read_free() argument
498 if (nbytes > allocated) in comedi_buf_read_free()
499 nbytes = allocated; in comedi_buf_read_free()
501 async->buf_read_count += nbytes; in comedi_buf_read_free()
502 async->buf_read_ptr += nbytes; in comedi_buf_read_free()
504 return nbytes; in comedi_buf_read_free()
536 void *dest, unsigned int nbytes) in comedi_buf_memcpy_from() argument
542 while (nbytes) { in comedi_buf_memcpy_from()
549 unsigned int block_size = min(nbytes, PAGE_SIZE - offset); in comedi_buf_memcpy_from()
553 nbytes -= block_size; in comedi_buf_memcpy_from()
582 unsigned int nbytes; in comedi_buf_write_samples() local
599 nbytes = comedi_buf_write_alloc(s, in comedi_buf_write_samples()
601 comedi_buf_memcpy_to(s, data, nbytes); in comedi_buf_write_samples()
602 comedi_buf_write_free(s, nbytes); in comedi_buf_write_samples()
603 comedi_inc_scan_progress(s, nbytes); in comedi_buf_write_samples()
606 return nbytes; in comedi_buf_write_samples()
628 unsigned int nbytes; in comedi_buf_read_samples() local
639 nbytes = comedi_buf_read_alloc(s, in comedi_buf_read_samples()
641 comedi_buf_memcpy_from(s, data, nbytes); in comedi_buf_read_samples()
642 comedi_buf_read_free(s, nbytes); in comedi_buf_read_samples()
643 comedi_inc_scan_progress(s, nbytes); in comedi_buf_read_samples()
646 return nbytes; in comedi_buf_read_samples()