freebsd-dev/sys/dev/mlx5/mlx5_fpga/trans.h
Slava Shwartsman e9dcd83155 mlx5fpga: Initial code import.
Submitted by:   kib@
Approved by:    hselasky (mentor)
MFC after:      1 week
Sponsored by:   Mellanox Technologies
2018-12-05 14:11:20 +00:00

67 lines
2.3 KiB
C

/*-
* Copyright (c) 2017 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $FreeBSD$
*/
#ifndef __MLX5_FPGA_TRANS_H__
#define __MLX5_FPGA_TRANS_H__
#include <dev/mlx5/mlx5_fpga/sdk.h>
#include <dev/mlx5/mlx5_fpga/core.h>
#define MLX5_FPGA_TRANSACTION_MAX_SIZE 1008
#define MLX5_FPGA_TRANSACTION_SEND_ALIGN_BITS 3
#define MLX5_FPGA_TRANSACTION_SEND_PAGE_BITS 12
#define MLX5_FPGA_TID_COUNT 256
enum mlx5_fpga_direction {
MLX5_FPGA_READ,
MLX5_FPGA_WRITE,
};
struct mlx5_fpga_transaction {
struct mlx5_fpga_conn *conn;
enum mlx5_fpga_direction direction;
size_t size;
u64 addr;
u8 *data;
void (*complete1)(const struct mlx5_fpga_transaction *complete,
u8 status);
};
int mlx5_fpga_trans_device_init(struct mlx5_fpga_device *fdev);
void mlx5_fpga_trans_device_cleanup(struct mlx5_fpga_device *fdev);
int mlx5_fpga_trans_exec(const struct mlx5_fpga_transaction *trans);
void mlx5_fpga_trans_recv(void *cb_arg, struct mlx5_fpga_dma_buf *buf);
#endif /* __MLX_FPGA_TRANS_H__ */