cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/mellanox/mlx5/core/wq.c

/*
 * Copyright (c) 2013-2015, 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.
 */

#include <linux/mlx5/driver.h>
#include "wq.h"
#include "mlx5_core.h"


u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq) { return (u32)wq->sz_m1 + 1; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai20100.00%1100.00%
Total20100.00%1100.00%


u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq) { return wq->sz_m1 + 1; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai17100.00%1100.00%
Total17100.00%1100.00%


u32 mlx5_wq_ll_get_size(struct mlx5_wq_ll *wq) { return (u32)wq->sz_m1 + 1; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai20100.00%1100.00%
Total20100.00%1100.00%


static u32 mlx5_wq_cyc_get_byte_size(struct mlx5_wq_cyc *wq) { return mlx5_wq_cyc_get_size(wq) << wq->log_stride; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai21100.00%1100.00%
Total21100.00%1100.00%


static u32 mlx5_cqwq_get_byte_size(struct mlx5_cqwq *wq) { return mlx5_cqwq_get_size(wq) << wq->log_stride; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai21100.00%1100.00%
Total21100.00%1100.00%


static u32 mlx5_wq_ll_get_byte_size(struct mlx5_wq_ll *wq) { return mlx5_wq_ll_get_size(wq) << wq->log_stride; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai21100.00%1100.00%
Total21100.00%1100.00%


int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *wqc, struct mlx5_wq_cyc *wq, struct mlx5_wq_ctrl *wq_ctrl) { int err; wq->log_stride = MLX5_GET(wq, wqc, log_wq_stride); wq->sz_m1 = (1 << MLX5_GET(wq, wqc, log_wq_sz)) - 1; err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); if (err) { mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); return err; } err = mlx5_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq), &wq_ctrl->buf, param->buf_numa_node); if (err) { mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); goto err_db_free; } wq->buf = wq_ctrl->buf.direct.buf; wq->db = wq_ctrl->db.db; wq_ctrl->mdev = mdev; return 0; err_db_free: mlx5_db_free(mdev, &wq_ctrl->db); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai17193.44%133.33%
Saeed Mahameed105.46%133.33%
Wang Sheng-Hui21.09%133.33%
Total183100.00%3100.00%


int mlx5_cqwq_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *cqc, struct mlx5_cqwq *wq, struct mlx5_frag_wq_ctrl *wq_ctrl) { int err; wq->log_stride = 6 + MLX5_GET(cqc, cqc, cqe_sz); wq->log_sz = MLX5_GET(cqc, cqc, log_cq_size); wq->sz_m1 = (1 << wq->log_sz) - 1; wq->log_frag_strides = PAGE_SHIFT - wq->log_stride; wq->frag_sz_m1 = (1 << wq->log_frag_strides) - 1; err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); if (err) { mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); return err; } err = mlx5_frag_buf_alloc_node(mdev, mlx5_cqwq_get_byte_size(wq), &wq_ctrl->frag_buf, param->buf_numa_node); if (err) { mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err); goto err_db_free; } wq->frag_buf = wq_ctrl->frag_buf; wq->db = wq_ctrl->db.db; wq_ctrl->mdev = mdev; return 0; err_db_free: mlx5_db_free(mdev, &wq_ctrl->db); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai17381.22%125.00%
Tariq Toukan3014.08%125.00%
Saeed Mahameed94.23%125.00%
Wang Sheng-Hui10.47%125.00%
Total213100.00%4100.00%


int mlx5_wq_ll_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *wqc, struct mlx5_wq_ll *wq, struct mlx5_wq_ctrl *wq_ctrl) { struct mlx5_wqe_srq_next_seg *next_seg; int err; int i; wq->log_stride = MLX5_GET(wq, wqc, log_wq_stride); wq->sz_m1 = (1 << MLX5_GET(wq, wqc, log_wq_sz)) - 1; err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); if (err) { mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); return err; } err = mlx5_buf_alloc_node(mdev, mlx5_wq_ll_get_byte_size(wq), &wq_ctrl->buf, param->buf_numa_node); if (err) { mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); goto err_db_free; } wq->buf = wq_ctrl->buf.direct.buf; wq->db = wq_ctrl->db.db; for (i = 0; i < wq->sz_m1; i++) { next_seg = mlx5_wq_ll_get_wqe(wq, i); next_seg->next_wqe_index = cpu_to_be16(i + 1); } next_seg = mlx5_wq_ll_get_wqe(wq, i); wq->tail_next = &next_seg->next_wqe_index; wq_ctrl->mdev = mdev; return 0; err_db_free: mlx5_db_free(mdev, &wq_ctrl->db); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai23495.12%133.33%
Wang Sheng-Hui72.85%133.33%
Saeed Mahameed52.03%133.33%
Total246100.00%3100.00%


void mlx5_wq_destroy(struct mlx5_wq_ctrl *wq_ctrl) { mlx5_buf_free(wq_ctrl->mdev, &wq_ctrl->buf); mlx5_db_free(wq_ctrl->mdev, &wq_ctrl->db); }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai34100.00%1100.00%
Total34100.00%1100.00%


void mlx5_cqwq_destroy(struct mlx5_frag_wq_ctrl *wq_ctrl) { mlx5_frag_buf_free(wq_ctrl->mdev, &wq_ctrl->frag_buf); mlx5_db_free(wq_ctrl->mdev, &wq_ctrl->db); }

Contributors

PersonTokensPropCommitsCommitProp
Tariq Toukan34100.00%1100.00%
Total34100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai74288.33%125.00%
Tariq Toukan647.62%125.00%
Saeed Mahameed242.86%125.00%
Wang Sheng-Hui101.19%125.00%
Total840100.00%4100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.