diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic3/hinic3_common.h')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic3/hinic3_common.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_common.h b/drivers/net/ethernet/huawei/hinic3/hinic3_common.h new file mode 100644 index 000000000000..bb795dace04c --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic3/hinic3_common.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved. */ + +#ifndef _HINIC3_COMMON_H_ +#define _HINIC3_COMMON_H_ + +#include <linux/device.h> + +#define HINIC3_MIN_PAGE_SIZE 0x1000 + +struct hinic3_dma_addr_align { + u32 real_size; + + void *ori_vaddr; + dma_addr_t ori_paddr; + + void *align_vaddr; + dma_addr_t align_paddr; +}; + +int hinic3_dma_zalloc_coherent_align(struct device *dev, u32 size, u32 align, + gfp_t flag, + struct hinic3_dma_addr_align *mem_align); +void hinic3_dma_free_coherent_align(struct device *dev, + struct hinic3_dma_addr_align *mem_align); + +#endif |