1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Huawei HiNIC PCI Express Linux driver 4 * Copyright(c) 2017 Huawei Technologies Co., Ltd 5 */ 6 7#ifndef HINIC_COMMON_H 8#define HINIC_COMMON_H 9 10#include <linux/types.h> 11 12#define UPPER_8_BITS(data) (((data) >> 8) & 0xFF) 13#define LOWER_8_BITS(data) ((data) & 0xFF) 14 15struct hinic_sge { 16 u32 hi_addr; 17 u32 lo_addr; 18 u32 len; 19}; 20 21void hinic_cpu_to_be32(void *data, int len); 22 23void hinic_be32_to_cpu(void *data, int len); 24 25void hinic_set_sge(struct hinic_sge *sge, dma_addr_t addr, int len); 26 27dma_addr_t hinic_sge_to_dma(struct hinic_sge *sge); 28 29#endif 30