diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_common.h')
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_common.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_common.h b/drivers/net/ethernet/huawei/hinic/hinic_common.h new file mode 100644 index 000000000..a0de9d964 --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic/hinic_common.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Huawei HiNIC PCI Express Linux driver + * Copyright(c) 2017 Huawei Technologies Co., Ltd + */ + +#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 |