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