30 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Huawei HiNIC PCI Express Linux driver4 * Copyright(c) 2017 Huawei Technologies Co., Ltd5 */6 7#ifndef HINIC_COMMON_H8#define HINIC_COMMON_H9 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#endif30