395 unsigned int __kfifo_max_r(unsigned int len, size_t recsize)  in __kfifo_max_r()  argument
397 	unsigned int max = (1 << (recsize << 3)) - 1;  in __kfifo_max_r()
411 static unsigned int __kfifo_peek_n(struct __kfifo *fifo, size_t recsize)  in __kfifo_peek_n()  argument
419 	if (--recsize)  in __kfifo_peek_n()
434 static void __kfifo_poke_n(struct __kfifo *fifo, unsigned int n, size_t recsize)  in __kfifo_poke_n()  argument
441 	if (recsize > 1)  in __kfifo_poke_n()
445 unsigned int __kfifo_len_r(struct __kfifo *fifo, size_t recsize)  in __kfifo_len_r()  argument
447 	return __kfifo_peek_n(fifo, recsize);  in __kfifo_len_r()
452 		unsigned int len, size_t recsize)  in __kfifo_in_r()  argument
454 	if (len + recsize > kfifo_unused(fifo))  in __kfifo_in_r()
457 	__kfifo_poke_n(fifo, len, recsize);  in __kfifo_in_r()
459 	kfifo_copy_in(fifo, buf, len, fifo->in + recsize);  in __kfifo_in_r()
460 	fifo->in += len + recsize;  in __kfifo_in_r()
466 	void *buf, unsigned int len, size_t recsize, unsigned int *n)  in kfifo_out_copy_r()  argument
468 	*n = __kfifo_peek_n(fifo, recsize);  in kfifo_out_copy_r()
473 	kfifo_copy_out(fifo, buf, len, fifo->out + recsize);  in kfifo_out_copy_r()
478 		unsigned int len, size_t recsize)  in __kfifo_out_peek_r()  argument
485 	return kfifo_out_copy_r(fifo, buf, len, recsize, &n);  in __kfifo_out_peek_r()
490 		unsigned int len, size_t recsize)  in __kfifo_out_r()  argument
497 	len = kfifo_out_copy_r(fifo, buf, len, recsize, &n);  in __kfifo_out_r()
498 	fifo->out += n + recsize;  in __kfifo_out_r()
503 void __kfifo_skip_r(struct __kfifo *fifo, size_t recsize)  in __kfifo_skip_r()  argument
507 	n = __kfifo_peek_n(fifo, recsize);  in __kfifo_skip_r()
508 	fifo->out += n + recsize;  in __kfifo_skip_r()
513 	unsigned long len, unsigned int *copied, size_t recsize)  in __kfifo_from_user_r()  argument
517 	len = __kfifo_max_r(len, recsize);  in __kfifo_from_user_r()
519 	if (len + recsize > kfifo_unused(fifo)) {  in __kfifo_from_user_r()
524 	__kfifo_poke_n(fifo, len, recsize);  in __kfifo_from_user_r()
526 	ret = kfifo_copy_from_user(fifo, from, len, fifo->in + recsize, copied);  in __kfifo_from_user_r()
531 	fifo->in += len + recsize;  in __kfifo_from_user_r()
537 	unsigned long len, unsigned int *copied, size_t recsize)  in __kfifo_to_user_r()  argument
547 	n = __kfifo_peek_n(fifo, recsize);  in __kfifo_to_user_r()
551 	ret = kfifo_copy_to_user(fifo, to, len, fifo->out + recsize, copied);  in __kfifo_to_user_r()
556 	fifo->out += n + recsize;  in __kfifo_to_user_r()
562 	struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)  in __kfifo_dma_in_prepare_r()  argument
566 	len = __kfifo_max_r(len, recsize);  in __kfifo_dma_in_prepare_r()
568 	if (len + recsize > kfifo_unused(fifo))  in __kfifo_dma_in_prepare_r()
571 	return setup_sgl(fifo, sgl, nents, len, fifo->in + recsize);  in __kfifo_dma_in_prepare_r()
576 	unsigned int len, size_t recsize)  in __kfifo_dma_in_finish_r()  argument
578 	len = __kfifo_max_r(len, recsize);  in __kfifo_dma_in_finish_r()
579 	__kfifo_poke_n(fifo, len, recsize);  in __kfifo_dma_in_finish_r()
580 	fifo->in += len + recsize;  in __kfifo_dma_in_finish_r()
585 	struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)  in __kfifo_dma_out_prepare_r()  argument
589 	len = __kfifo_max_r(len, recsize);  in __kfifo_dma_out_prepare_r()
591 	if (len + recsize > fifo->in - fifo->out)  in __kfifo_dma_out_prepare_r()
594 	return setup_sgl(fifo, sgl, nents, len, fifo->out + recsize);  in __kfifo_dma_out_prepare_r()
598 void __kfifo_dma_out_finish_r(struct __kfifo *fifo, size_t recsize)  in __kfifo_dma_out_finish_r()  argument
602 	len = __kfifo_peek_n(fifo, recsize);  in __kfifo_dma_out_finish_r()
603 	fifo->out += len + recsize;  in __kfifo_dma_out_finish_r()