cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

transobj.h (3567B)


      1/*
      2 * Copyright (c) 2013-2015, Mellanox Technologies, Ltd.  All rights reserved.
      3 *
      4 * This software is available to you under a choice of one of two
      5 * licenses.  You may choose to be licensed under the terms of the GNU
      6 * General Public License (GPL) Version 2, available from the file
      7 * COPYING in the main directory of this source tree, or the
      8 * OpenIB.org BSD license below:
      9 *
     10 *     Redistribution and use in source and binary forms, with or
     11 *     without modification, are permitted provided that the following
     12 *     conditions are met:
     13 *
     14 *      - Redistributions of source code must retain the above
     15 *        copyright notice, this list of conditions and the following
     16 *        disclaimer.
     17 *
     18 *      - Redistributions in binary form must reproduce the above
     19 *        copyright notice, this list of conditions and the following
     20 *        disclaimer in the documentation and/or other materials
     21 *        provided with the distribution.
     22 *
     23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     30 * SOFTWARE.
     31 */
     32
     33#ifndef __TRANSOBJ_H__
     34#define __TRANSOBJ_H__
     35
     36#include <linux/mlx5/driver.h>
     37
     38int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn);
     39void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn);
     40int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen,
     41			u32 *rqn);
     42int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in);
     43void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn);
     44int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out);
     45int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen,
     46			u32 *sqn);
     47int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in);
     48void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
     49int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out);
     50int mlx5_core_query_sq_state(struct mlx5_core_dev *dev, u32 sqn, u8 *state);
     51int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, u32 *tirn);
     52int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in);
     53void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
     54int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, u32 *tisn);
     55int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in);
     56void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
     57int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
     58			 u32 *rqtn);
     59int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
     60			 int inlen);
     61void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn);
     62
     63struct mlx5_hairpin_params {
     64	u8  log_data_size;
     65	u8  log_num_packets;
     66	u16 q_counter;
     67	int num_channels;
     68};
     69
     70struct mlx5_hairpin {
     71	struct mlx5_core_dev *func_mdev;
     72	struct mlx5_core_dev *peer_mdev;
     73
     74	int num_channels;
     75
     76	u32 *rqn;
     77	u32 *sqn;
     78
     79	bool peer_gone;
     80};
     81
     82struct mlx5_hairpin *
     83mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev,
     84			 struct mlx5_core_dev *peer_mdev,
     85			 struct mlx5_hairpin_params *params);
     86
     87void mlx5_core_hairpin_destroy(struct mlx5_hairpin *pair);
     88void mlx5_core_hairpin_clear_dead_peer(struct mlx5_hairpin *hp);
     89#endif /* __TRANSOBJ_H__ */