| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Eli Cohen | 449 | 38.87% | 4 | 23.53% |
| Saeed Mahameed | 301 | 26.06% | 8 | 47.06% |
| Matan Barak | 288 | 24.94% | 1 | 5.88% |
| Rana Shahout | 63 | 5.45% | 1 | 5.88% |
| Yishai Hadas | 52 | 4.50% | 1 | 5.88% |
| Leon Romanovsky | 1 | 0.09% | 1 | 5.88% |
| Elena Reshetova | 1 | 0.09% | 1 | 5.88% |
| Total | 1155 | 17 |
/* * Copyright (c) 2013-2015, 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. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/hardirq.h> #include <linux/mlx5/driver.h> #include <linux/mlx5/cmd.h> #include <rdma/ib_verbs.h> #include <linux/mlx5/cq.h> #include "mlx5_core.h" #include "lib/eq.h" #define TASKLET_MAX_TIME 2 #define TASKLET_MAX_TIME_JIFFIES msecs_to_jiffies(TASKLET_MAX_TIME) void mlx5_cq_tasklet_cb(unsigned long data) { unsigned long flags; unsigned long end = jiffies + TASKLET_MAX_TIME_JIFFIES; struct mlx5_eq_tasklet *ctx = (struct mlx5_eq_tasklet *)data; struct mlx5_core_cq *mcq; struct mlx5_core_cq *temp; spin_lock_irqsave(&ctx->lock, flags); list_splice_tail_init(&ctx->list, &ctx->process_list); spin_unlock_irqrestore(&ctx->lock, flags); list_for_each_entry_safe(mcq, temp, &ctx->process_list, tasklet_ctx.list) { list_del_init(&mcq->tasklet_ctx.list); mcq->tasklet_ctx.comp(mcq); mlx5_cq_put(mcq); if (time_after(jiffies, end)) break; } if (!list_empty(&ctx->process_list)) tasklet_schedule(&ctx->task); } static void mlx5_add_cq_to_tasklet(struct mlx5_core_cq *cq) { unsigned long flags; struct mlx5_eq_tasklet *tasklet_ctx = cq->tasklet_ctx.priv; spin_lock_irqsave(&tasklet_ctx->lock, flags); /* When migrating CQs between EQs will be implemented, please note * that you need to sync this point. It is possible that * while migrating a CQ, completions on the old EQs could * still arrive. */ if (list_empty_careful(&cq->tasklet_ctx.list)) { mlx5_cq_hold(cq); list_add_tail(&cq->tasklet_ctx.list, &tasklet_ctx->list); } spin_unlock_irqrestore(&tasklet_ctx->lock, flags); } int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, u32 *in, int inlen) { int eqn = MLX5_GET(cqc, MLX5_ADDR_OF(create_cq_in, in, cq_context), c_eqn); u32 dout[MLX5_ST_SZ_DW(destroy_cq_out)]; u32 out[MLX5_ST_SZ_DW(create_cq_out)]; u32 din[MLX5_ST_SZ_DW(destroy_cq_in)]; struct mlx5_eq_comp *eq; int err; eq = mlx5_eqn2comp_eq(dev, eqn); if (IS_ERR(eq)) return PTR_ERR(eq); memset(out, 0, sizeof(out)); MLX5_SET(create_cq_in, in, opcode, MLX5_CMD_OP_CREATE_CQ); err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); if (err) return err; cq->cqn = MLX5_GET(create_cq_out, out, cqn); cq->cons_index = 0; cq->arm_sn = 0; cq->eq = eq; cq->uid = MLX5_GET(create_cq_in, in, uid); refcount_set(&cq->refcount, 1); init_completion(&cq->free); if (!cq->comp) cq->comp = mlx5_add_cq_to_tasklet; /* assuming CQ will be deleted before the EQ */ cq->tasklet_ctx.priv = &eq->tasklet_ctx; INIT_LIST_HEAD(&cq->tasklet_ctx.list); /* Add to comp EQ CQ tree to recv comp events */ err = mlx5_eq_add_cq(&eq->core, cq); if (err) goto err_cmd; /* Add to async EQ CQ tree to recv async events */ err = mlx5_eq_add_cq(mlx5_get_async_eq(dev), cq); if (err) goto err_cq_add; cq->pid = current->pid; err = mlx5_debug_cq_add(dev, cq); if (err) mlx5_core_dbg(dev, "failed adding CP 0x%x to debug file system\n", cq->cqn); cq->uar = dev->priv.uar; return 0; err_cq_add: mlx5_eq_del_cq(&eq->core, cq); err_cmd: memset(din, 0, sizeof(din)); memset(dout, 0, sizeof(dout)); MLX5_SET(destroy_cq_in, din, opcode, MLX5_CMD_OP_DESTROY_CQ); MLX5_SET(destroy_cq_in, din, cqn, cq->cqn); MLX5_SET(destroy_cq_in, din, uid, cq->uid); mlx5_cmd_exec(dev, din, sizeof(din), dout, sizeof(dout)); return err; } EXPORT_SYMBOL(mlx5_core_create_cq); int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq) { u32 out[MLX5_ST_SZ_DW(destroy_cq_out)] = {0}; u32 in[MLX5_ST_SZ_DW(destroy_cq_in)] = {0}; int err; err = mlx5_eq_del_cq(mlx5_get_async_eq(dev), cq); if (err) return err; err = mlx5_eq_del_cq(&cq->eq->core, cq); if (err) return err; MLX5_SET(destroy_cq_in, in, opcode, MLX5_CMD_OP_DESTROY_CQ); MLX5_SET(destroy_cq_in, in, cqn, cq->cqn); MLX5_SET(destroy_cq_in, in, uid, cq->uid); err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); if (err) return err; synchronize_irq(cq->irqn); mlx5_debug_cq_remove(dev, cq); mlx5_cq_put(cq); wait_for_completion(&cq->free); return 0; } EXPORT_SYMBOL(mlx5_core_destroy_cq); int mlx5_core_query_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, u32 *out, int outlen) { u32 in[MLX5_ST_SZ_DW(query_cq_in)] = {0}; MLX5_SET(query_cq_in, in, opcode, MLX5_CMD_OP_QUERY_CQ); MLX5_SET(query_cq_in, in, cqn, cq->cqn); return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); } EXPORT_SYMBOL(mlx5_core_query_cq); int mlx5_core_modify_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, u32 *in, int inlen) { u32 out[MLX5_ST_SZ_DW(modify_cq_out)] = {0}; MLX5_SET(modify_cq_in, in, opcode, MLX5_CMD_OP_MODIFY_CQ); MLX5_SET(modify_cq_in, in, uid, cq->uid); return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); } EXPORT_SYMBOL(mlx5_core_modify_cq); int mlx5_core_modify_cq_moderation(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, u16 cq_period, u16 cq_max_count) { u32 in[MLX5_ST_SZ_DW(modify_cq_in)] = {0}; void *cqc; MLX5_SET(modify_cq_in, in, cqn, cq->cqn); cqc = MLX5_ADDR_OF(modify_cq_in, in, cq_context); MLX5_SET(cqc, cqc, cq_period, cq_period); MLX5_SET(cqc, cqc, cq_max_count, cq_max_count); MLX5_SET(modify_cq_in, in, modify_field_select_resize_field_select.modify_field_select.modify_field_select, MLX5_CQ_MODIFY_PERIOD | MLX5_CQ_MODIFY_COUNT); return mlx5_core_modify_cq(dev, cq, in, sizeof(in)); } EXPORT_SYMBOL(mlx5_core_modify_cq_moderation);
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