52 	if (unlikely(!buf->sg[0].data))  in mlx5_fpga_conn_map_buf()
56 	buf->sg[0].dma_addr = dma_map_single(dma_device, buf->sg[0].data,  in mlx5_fpga_conn_map_buf()
57 					     buf->sg[0].size, buf->dma_dir);  in mlx5_fpga_conn_map_buf()
58 	err = dma_mapping_error(dma_device, buf->sg[0].dma_addr);  in mlx5_fpga_conn_map_buf()
60 		mlx5_fpga_warn(conn->fdev, "DMA error on sg 0: %d\n", err);  in mlx5_fpga_conn_map_buf()
65 	if (!buf->sg[1].data)  in mlx5_fpga_conn_map_buf()
68 	buf->sg[1].dma_addr = dma_map_single(dma_device, buf->sg[1].data,  in mlx5_fpga_conn_map_buf()
69 					     buf->sg[1].size, buf->dma_dir);  in mlx5_fpga_conn_map_buf()
70 	err = dma_mapping_error(dma_device, buf->sg[1].dma_addr);  in mlx5_fpga_conn_map_buf()
72 		mlx5_fpga_warn(conn->fdev, "DMA error on sg 1: %d\n", err);  in mlx5_fpga_conn_map_buf()
73 		dma_unmap_single(dma_device, buf->sg[0].dma_addr,  in mlx5_fpga_conn_map_buf()
74 				 buf->sg[0].size, buf->dma_dir);  in mlx5_fpga_conn_map_buf()
88 	if (buf->sg[1].data)  in mlx5_fpga_conn_unmap_buf()
89 		dma_unmap_single(dma_device, buf->sg[1].dma_addr,  in mlx5_fpga_conn_unmap_buf()
90 				 buf->sg[1].size, buf->dma_dir);  in mlx5_fpga_conn_unmap_buf()
92 	if (likely(buf->sg[0].data))  in mlx5_fpga_conn_unmap_buf()
93 		dma_unmap_single(dma_device, buf->sg[0].dma_addr,  in mlx5_fpga_conn_unmap_buf()
94 				 buf->sg[0].size, buf->dma_dir);  in mlx5_fpga_conn_unmap_buf()
115 	data->byte_count = cpu_to_be32(buf->sg[0].size);  in mlx5_fpga_conn_post_recv()
117 	data->addr = cpu_to_be64(buf->sg[0].dma_addr);  in mlx5_fpga_conn_post_recv()
152 	for (sgi = 0; sgi < ARRAY_SIZE(buf->sg); sgi++) {  in mlx5_fpga_conn_post_send()
153 		if (!buf->sg[sgi].data)  in mlx5_fpga_conn_post_send()
155 		data->byte_count = cpu_to_be32(buf->sg[sgi].size);  in mlx5_fpga_conn_post_send()
157 		data->addr = cpu_to_be64(buf->sg[sgi].dma_addr);  in mlx5_fpga_conn_post_send()
209 	buf->sg[0].data = (void *)(buf + 1);  in mlx5_fpga_conn_post_recv_buf()
210 	buf->sg[0].size = MLX5_FPGA_RECV_SIZE;  in mlx5_fpga_conn_post_recv_buf()
257 		buf->sg[0].size = be32_to_cpu(cqe->byte_cnt);  in mlx5_fpga_conn_rq_cqe()
276 		      buf->sg[0].size);  in mlx5_fpga_conn_rq_cqe()
279 	buf->sg[0].size = MLX5_FPGA_RECV_SIZE;  in mlx5_fpga_conn_rq_cqe()