freebsd-skq/sys/dev/mlx5/mlx5_fpga/core.h
Slava Shwartsman d82f1c13ad mlx5fpga: Add set and query connect/disconnect FPGA
Submitted by:   kib@
Approved by:    hselasky (mentor)
MFC after:      1 week
Sponsored by:   Mellanox Technologies
2018-12-05 14:19:55 +00:00

142 lines
4.2 KiB
C

/*-
* Copyright (c) 2017, Mellanox Technologies, Ltd. 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_CORE_H__
#define __MLX5_FPGA_CORE_H__
#ifdef CONFIG_MLX5_FPGA
#include <dev/mlx5/mlx5_fpga/cmd.h>
#include <dev/mlx5/mlx5_fpga/sdk.h>
/* Represents client-specific and Innova device-specific information */
struct mlx5_fpga_client_data {
struct list_head list;
struct mlx5_fpga_client *client;
void *data;
bool added;
};
enum mlx5_fdev_state {
MLX5_FDEV_STATE_SUCCESS = 0,
MLX5_FDEV_STATE_FAILURE = 1,
MLX5_FDEV_STATE_IN_PROGRESS = 2,
MLX5_FDEV_STATE_DISCONNECTED = 3,
MLX5_FDEV_STATE_NONE = 0xFFFF,
};
/* Represents an Innova device */
struct mlx5_fpga_device {
struct mlx5_core_dev *mdev;
struct completion load_event;
spinlock_t state_lock; /* Protects state transitions */
enum mlx5_fdev_state fdev_state;
enum mlx5_fpga_status image_status;
enum mlx5_fpga_image last_admin_image;
enum mlx5_fpga_image last_oper_image;
/* QP Connection resources */
struct {
u32 pdn;
struct mlx5_core_mkey mkey;
struct mlx5_uars_page *uar;
} conn_res;
struct mlx5_fpga_ipsec *ipsec;
struct list_head list;
struct list_head client_data_list;
/* Shell Transactions state */
struct mlx5_fpga_conn *shell_conn;
struct mlx5_fpga_trans_device_state *trans;
};
#define mlx5_fpga_dbg(__adev, format, ...) \
dev_dbg(&(__adev)->mdev->pdev->dev, "FPGA: %s:%d:(pid %d): " format, \
__func__, __LINE__, current->pid, ##__VA_ARGS__)
#define mlx5_fpga_err(__adev, format, ...) \
dev_err(&(__adev)->mdev->pdev->dev, "FPGA: %s:%d:(pid %d): " format, \
__func__, __LINE__, current->pid, ##__VA_ARGS__)
#define mlx5_fpga_warn(__adev, format, ...) \
dev_warn(&(__adev)->mdev->pdev->dev, "FPGA: %s:%d:(pid %d): " format, \
__func__, __LINE__, current->pid, ##__VA_ARGS__)
#define mlx5_fpga_warn_ratelimited(__adev, format, ...) \
dev_warn_ratelimited(&(__adev)->mdev->pdev->dev, "FPGA: %s:%d: " \
format, __func__, __LINE__, ##__VA_ARGS__)
#define mlx5_fpga_notice(__adev, format, ...) \
dev_notice(&(__adev)->mdev->pdev->dev, "FPGA: " format, ##__VA_ARGS__)
#define mlx5_fpga_info(__adev, format, ...) \
dev_info(&(__adev)->mdev->pdev->dev, "FPGA: " format, ##__VA_ARGS__)
int mlx5_fpga_init(struct mlx5_core_dev *mdev);
void mlx5_fpga_cleanup(struct mlx5_core_dev *mdev);
int mlx5_fpga_device_start(struct mlx5_core_dev *mdev);
void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev);
void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data);
#else
static inline int mlx5_fpga_init(struct mlx5_core_dev *mdev)
{
return 0;
}
static inline void mlx5_fpga_cleanup(struct mlx5_core_dev *mdev)
{
}
static inline int mlx5_fpga_device_start(struct mlx5_core_dev *mdev)
{
return 0;
}
static inline void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev)
{
}
static inline void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event,
void *data)
{
}
#endif
#endif /* __MLX5_FPGA_CORE_H__ */