xref: /linux/drivers/net/ethernet/huawei/hinic3/hinic3_common.h (revision ab93e0dd72c37d378dd936f031ffb83ff2bd87ce)
1*17fcb3dcSFan Gong /* SPDX-License-Identifier: GPL-2.0 */
2*17fcb3dcSFan Gong /* Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved. */
3*17fcb3dcSFan Gong 
4*17fcb3dcSFan Gong #ifndef _HINIC3_COMMON_H_
5*17fcb3dcSFan Gong #define _HINIC3_COMMON_H_
6*17fcb3dcSFan Gong 
7*17fcb3dcSFan Gong #include <linux/device.h>
8*17fcb3dcSFan Gong 
9*17fcb3dcSFan Gong #define HINIC3_MIN_PAGE_SIZE  0x1000
10*17fcb3dcSFan Gong 
11*17fcb3dcSFan Gong struct hinic3_dma_addr_align {
12*17fcb3dcSFan Gong 	u32        real_size;
13*17fcb3dcSFan Gong 
14*17fcb3dcSFan Gong 	void       *ori_vaddr;
15*17fcb3dcSFan Gong 	dma_addr_t ori_paddr;
16*17fcb3dcSFan Gong 
17*17fcb3dcSFan Gong 	void       *align_vaddr;
18*17fcb3dcSFan Gong 	dma_addr_t align_paddr;
19*17fcb3dcSFan Gong };
20*17fcb3dcSFan Gong 
21*17fcb3dcSFan Gong int hinic3_dma_zalloc_coherent_align(struct device *dev, u32 size, u32 align,
22*17fcb3dcSFan Gong 				     gfp_t flag,
23*17fcb3dcSFan Gong 				     struct hinic3_dma_addr_align *mem_align);
24*17fcb3dcSFan Gong void hinic3_dma_free_coherent_align(struct device *dev,
25*17fcb3dcSFan Gong 				    struct hinic3_dma_addr_align *mem_align);
26*17fcb3dcSFan Gong 
27*17fcb3dcSFan Gong #endif
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