382 unsigned int __kfifo_max_r(unsigned int len, size_t recsize)  in __kfifo_max_r()  argument
384 	unsigned int max = (1 << (recsize << 3)) - 1;  in __kfifo_max_r()
398 static unsigned int __kfifo_peek_n(struct __kfifo *fifo, size_t recsize)  in __kfifo_peek_n()  argument
406 	if (--recsize)  in __kfifo_peek_n()
421 static void __kfifo_poke_n(struct __kfifo *fifo, unsigned int n, size_t recsize)  in __kfifo_poke_n()  argument
428 	if (recsize > 1)  in __kfifo_poke_n()
432 unsigned int __kfifo_len_r(struct __kfifo *fifo, size_t recsize)  in __kfifo_len_r()  argument
434 	return __kfifo_peek_n(fifo, recsize);  in __kfifo_len_r()
439 		unsigned int len, size_t recsize)  in __kfifo_in_r()  argument
441 	if (len + recsize > kfifo_unused(fifo))  in __kfifo_in_r()
444 	__kfifo_poke_n(fifo, len, recsize);  in __kfifo_in_r()
446 	kfifo_copy_in(fifo, buf, len, fifo->in + recsize);  in __kfifo_in_r()
447 	fifo->in += len + recsize;  in __kfifo_in_r()
453 	void *buf, unsigned int len, size_t recsize, unsigned int *n)  in kfifo_out_copy_r()  argument
455 	*n = __kfifo_peek_n(fifo, recsize);  in kfifo_out_copy_r()
460 	kfifo_copy_out(fifo, buf, len, fifo->out + recsize);  in kfifo_out_copy_r()
465 		unsigned int len, size_t recsize)  in __kfifo_out_peek_r()  argument
472 	return kfifo_out_copy_r(fifo, buf, len, recsize, &n);  in __kfifo_out_peek_r()
477 		unsigned int len, size_t recsize)  in __kfifo_out_r()  argument
484 	len = kfifo_out_copy_r(fifo, buf, len, recsize, &n);  in __kfifo_out_r()
485 	fifo->out += n + recsize;  in __kfifo_out_r()
490 void __kfifo_skip_r(struct __kfifo *fifo, size_t recsize)  in __kfifo_skip_r()  argument
494 	n = __kfifo_peek_n(fifo, recsize);  in __kfifo_skip_r()
495 	fifo->out += n + recsize;  in __kfifo_skip_r()
500 	unsigned long len, unsigned int *copied, size_t recsize)  in __kfifo_from_user_r()  argument
504 	len = __kfifo_max_r(len, recsize);  in __kfifo_from_user_r()
506 	if (len + recsize > kfifo_unused(fifo)) {  in __kfifo_from_user_r()
511 	__kfifo_poke_n(fifo, len, recsize);  in __kfifo_from_user_r()
513 	ret = kfifo_copy_from_user(fifo, from, len, fifo->in + recsize, copied);  in __kfifo_from_user_r()
518 	fifo->in += len + recsize;  in __kfifo_from_user_r()
524 	unsigned long len, unsigned int *copied, size_t recsize)  in __kfifo_to_user_r()  argument
534 	n = __kfifo_peek_n(fifo, recsize);  in __kfifo_to_user_r()
538 	ret = kfifo_copy_to_user(fifo, to, len, fifo->out + recsize, copied);  in __kfifo_to_user_r()
543 	fifo->out += n + recsize;  in __kfifo_to_user_r()
549 	struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)  in __kfifo_dma_in_prepare_r()  argument
553 	len = __kfifo_max_r(len, recsize);  in __kfifo_dma_in_prepare_r()
555 	if (len + recsize > kfifo_unused(fifo))  in __kfifo_dma_in_prepare_r()
558 	return setup_sgl(fifo, sgl, nents, len, fifo->in + recsize);  in __kfifo_dma_in_prepare_r()
563 	unsigned int len, size_t recsize)  in __kfifo_dma_in_finish_r()  argument
565 	len = __kfifo_max_r(len, recsize);  in __kfifo_dma_in_finish_r()
566 	__kfifo_poke_n(fifo, len, recsize);  in __kfifo_dma_in_finish_r()
567 	fifo->in += len + recsize;  in __kfifo_dma_in_finish_r()
572 	struct scatterlist *sgl, int nents, unsigned int len, size_t recsize)  in __kfifo_dma_out_prepare_r()  argument
576 	len = __kfifo_max_r(len, recsize);  in __kfifo_dma_out_prepare_r()
578 	if (len + recsize > fifo->in - fifo->out)  in __kfifo_dma_out_prepare_r()
581 	return setup_sgl(fifo, sgl, nents, len, fifo->out + recsize);  in __kfifo_dma_out_prepare_r()
585 void __kfifo_dma_out_finish_r(struct __kfifo *fifo, size_t recsize)  in __kfifo_dma_out_finish_r()  argument
589 	len = __kfifo_peek_n(fifo, recsize);  in __kfifo_dma_out_finish_r()
590 	fifo->out += len + recsize;  in __kfifo_dma_out_finish_r()