1 files changed, 54 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..a8fabfae90fb
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_common.h
@@ -0,0 +1,54 @@
+/* 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;
+};
+
+enum hinic3_wait_return {
+	HINIC3_WAIT_PROCESS_CPL     = 0,
+	HINIC3_WAIT_PROCESS_WAITING = 1,
+};
+
+struct hinic3_sge {
+	__le32 hi_addr;
+	__le32 lo_addr;
+	__le32 len;
+	__le32 rsvd;
+};
+
+static inline void hinic3_set_sge(struct hinic3_sge *sge, dma_addr_t addr,
+				  __le32 len)
+{
+	sge->hi_addr = cpu_to_le32(upper_32_bits(addr));
+	sge->lo_addr = cpu_to_le32(lower_32_bits(addr));
+	sge->len = len;
+	sge->rsvd = 0;
+}
+
+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);
+
+typedef enum hinic3_wait_return (*wait_cpl_handler)(void *priv_data);
+int hinic3_wait_for_timeout(void *priv_data, wait_cpl_handler handler,
+			    u32 wait_total_ms, u32 wait_once_us);
+
+void hinic3_cmdq_buf_swab32(void *data, int len);
+
+#endif