1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2828b35f6SJan Glauber #ifndef _ASM_S390_DMA_H 3828b35f6SJan Glauber #define _ASM_S390_DMA_H 4828b35f6SJan Glauber 5b378a982SHeiko Carstens #include <linux/io.h> 6828b35f6SJan Glauber 7c6557e7fSMartin Schwidefsky /* 8828b35f6SJan Glauber * MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated 9828b35f6SJan Glauber * to DMA. It _is_ used for the s390 memory zone split at 2GB caused 10828b35f6SJan Glauber * by the 31 bit heritage. 11c6557e7fSMartin Schwidefsky */ 12*08d90f46SAlexander Gordeev #define MAX_DMA_ADDRESS __va(0x80000000) 13c6557e7fSMartin Schwidefsky 14828b35f6SJan Glauber #endif /* _ASM_S390_DMA_H */ 15