/* * Huawei HiNIC PCI Express Linux driver * Copyright(c) 2017 Huawei Technologies Co., Ltd * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * */ #ifndef HINIC_COMMON_H #define HINIC_COMMON_H #include <linux/types.h> #define UPPER_8_BITS(data) (((data) >> 8) & 0xFF) #define LOWER_8_BITS(data) ((data) & 0xFF) struct hinic_sge { u32 hi_addr; u32 lo_addr; u32 len; }; void hinic_cpu_to_be32(void *data, int len); void hinic_be32_to_cpu(void *data, int len); void hinic_set_sge(struct hinic_sge *sge, dma_addr_t addr, int len); dma_addr_t hinic_sge_to_dma(struct hinic_sge *sge); #endif