cregit-Linux how code gets into the kernel

Release 4.17 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->fbc.sz_m1 + 1; }

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai1789.47%150.00%
Yonatan Cohen210.53%150.00%
Total19100.00%2100.00%


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_wq_qp_get_byte_size(struct mlx5_wq_qp *wq) { return mlx5_wq_cyc_get_byte_size(&wq->rq) + mlx5_wq_cyc_get_byte_size(&wq->sq); }

Contributors

PersonTokensPropCommitsCommitProp
Ilan Tayari28100.00%1100.00%
Total28100.00%1100.00%


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

Contributors

PersonTokensPropCommitsCommitProp
Amir Vadai2191.30%150.00%
Yonatan Cohen28.70%150.00%
Total23100.00%2100.00%


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.frags->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 Vadai16992.35%125.00%
Saeed Mahameed105.46%125.00%
Wang Sheng-Hui21.09%125.00%
Yonatan Cohen21.09%125.00%
Total183100.00%4100.00%


int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *qpc, struct mlx5_wq_qp *wq, struct mlx5_wq_ctrl *wq_ctrl) { int err; wq->rq.log_stride = MLX5_GET(qpc, qpc, log_rq_stride) + 4; wq->rq.sz_m1 = (1 << MLX5_GET(qpc, qpc, log_rq_size)) - 1; wq->sq.log_stride = ilog2(MLX5_SEND_WQE_BB); wq->sq.sz_m1 = (1 << MLX5_GET(qpc, qpc, log_sq_size)) - 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_qp_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->rq.buf = wq_ctrl->buf.frags->buf; wq->sq.buf = wq->rq.buf + mlx5_wq_cyc_get_byte_size(&wq->rq); wq->rq.db = &wq_ctrl->db.db[MLX5_RCV_DBR]; wq->sq.db = &wq_ctrl->db.db[MLX5_SND_DBR]; wq_ctrl->mdev = mdev; return 0; err_db_free: mlx5_db_free(mdev, &wq_ctrl->db); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Ilan Tayari26399.25%150.00%
Yonatan Cohen20.75%150.00%
Total265100.00%2100.00%


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; mlx5_core_init_cq_frag_buf(&wq->fbc, cqc); 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->fbc.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 Vadai13886.79%120.00%
Saeed Mahameed95.66%120.00%
Tariq Toukan63.77%120.00%
Yonatan Cohen53.14%120.00%
Wang Sheng-Hui10.63%120.00%
Total159100.00%5100.00%


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.frags->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 Vadai23294.31%125.00%
Wang Sheng-Hui72.85%125.00%
Saeed Mahameed52.03%125.00%
Yonatan Cohen20.81%125.00%
Total246100.00%4100.00%


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 Vadai70364.91%116.67%
Ilan Tayari29126.87%116.67%
Tariq Toukan403.69%116.67%
Saeed Mahameed242.22%116.67%
Yonatan Cohen151.39%116.67%
Wang Sheng-Hui100.92%116.67%
Total1083100.00%6100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.