/*
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* Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/gfp.h>
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#include <linux/export.h>
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#include <linux/mlx5/cmd.h>
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#include <linux/mlx5/qp.h>
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#include <linux/mlx5/driver.h>
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#include <linux/mlx5/transobj.h>
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#include "mlx5_core.h"
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static struct mlx5_core_rsc_common *mlx5_get_rsc(struct mlx5_core_dev *dev,
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u32 rsn)
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{
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struct mlx5_qp_table *table = &dev->priv.qp_table;
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struct mlx5_core_rsc_common *common;
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unsigned long flags;
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spin_lock_irqsave(&table->lock, flags);
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common = radix_tree_lookup(&table->tree, rsn);
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if (common)
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atomic_inc(&common->refcount);
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spin_unlock_irqrestore(&table->lock, flags);
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if (!common) {
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mlx5_core_warn(dev, "Async event for bogus resource 0x%x\n",
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rsn);
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return NULL;
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}
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return common;
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}
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void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common)
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{
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if (atomic_dec_and_test(&common->refcount))
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complete(&common->free);
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}
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static u64 qp_allowed_event_types(void)
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{
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u64 mask;
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mask = BIT(MLX5_EVENT_TYPE_PATH_MIG) |
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BIT(MLX5_EVENT_TYPE_COMM_EST) |
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BIT(MLX5_EVENT_TYPE_SQ_DRAINED) |
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BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |
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BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR) |
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BIT(MLX5_EVENT_TYPE_PATH_MIG_FAILED) |
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BIT(MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR) |
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BIT(MLX5_EVENT_TYPE_WQ_ACCESS_ERROR);
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return mask;
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}
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static u64 rq_allowed_event_types(void)
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{
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u64 mask;
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mask = BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |
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BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);
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return mask;
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}
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static u64 sq_allowed_event_types(void)
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{
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return BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);
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}
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static u64 dct_allowed_event_types(void)
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{
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return BIT(MLX5_EVENT_TYPE_DCT_DRAINED);
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}
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static bool is_event_type_allowed(int rsc_type, int event_type)
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{
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switch (rsc_type) {
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case MLX5_EVENT_QUEUE_TYPE_QP:
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return BIT(event_type) & qp_allowed_event_types();
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case MLX5_EVENT_QUEUE_TYPE_RQ:
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return BIT(event_type) & rq_allowed_event_types();
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case MLX5_EVENT_QUEUE_TYPE_SQ:
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return BIT(event_type) & sq_allowed_event_types();
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case MLX5_EVENT_QUEUE_TYPE_DCT:
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return BIT(event_type) & dct_allowed_event_types();
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default:
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WARN(1, "Event arrived for unknown resource type");
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return false;
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}
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}
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void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type)
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{
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struct mlx5_core_rsc_common *common = mlx5_get_rsc(dev, rsn);
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struct mlx5_core_dct *dct;
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struct mlx5_core_qp *qp;
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if (!common)
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return;
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if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) {
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mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n",
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event_type, rsn);
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goto out;
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}
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switch (common->res) {
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case MLX5_RES_QP:
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case MLX5_RES_RQ:
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case MLX5_RES_SQ:
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qp = (struct mlx5_core_qp *)common;
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qp->event(qp, event_type);
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break;
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case MLX5_RES_DCT:
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dct = (struct mlx5_core_dct *)common;
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if (event_type == MLX5_EVENT_TYPE_DCT_DRAINED)
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complete(&dct->drained);
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break;
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default:
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mlx5_core_warn(dev, "invalid resource type for 0x%x\n", rsn);
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}
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out:
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mlx5_core_put_rsc(common);
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}
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static int create_resource_common(struct mlx5_core_dev *dev,
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struct mlx5_core_qp *qp,
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int rsc_type)
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{
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struct mlx5_qp_table *table = &dev->priv.qp_table;
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int err;
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qp->common.res = rsc_type;
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spin_lock_irq(&table->lock);
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err = radix_tree_insert(&table->tree,
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qp->qpn | (rsc_type << MLX5_USER_INDEX_LEN),
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qp);
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spin_unlock_irq(&table->lock);
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if (err)
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return err;
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atomic_set(&qp->common.refcount, 1);
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init_completion(&qp->common.free);
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qp->pid = current->pid;
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return 0;
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}
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static void destroy_resource_common(struct mlx5_core_dev *dev,
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struct mlx5_core_qp *qp)
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{
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struct mlx5_qp_table *table = &dev->priv.qp_table;
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unsigned long flags;
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spin_lock_irqsave(&table->lock, flags);
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radix_tree_delete(&table->tree,
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qp->qpn | (qp->common.res << MLX5_USER_INDEX_LEN));
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spin_unlock_irqrestore(&table->lock, flags);
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mlx5_core_put_rsc((struct mlx5_core_rsc_common *)qp);
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wait_for_completion(&qp->common.free);
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}
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int mlx5_core_create_dct(struct mlx5_core_dev *dev,
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struct mlx5_core_dct *dct,
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u32 *in, int inlen)
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{
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u32 out[MLX5_ST_SZ_DW(create_dct_out)] = {0};
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u32 din[MLX5_ST_SZ_DW(destroy_dct_in)] = {0};
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u32 dout[MLX5_ST_SZ_DW(destroy_dct_out)] = {0};
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struct mlx5_core_qp *qp = &dct->mqp;
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int err;
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init_completion(&dct->drained);
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MLX5_SET(create_dct_in, in, opcode, MLX5_CMD_OP_CREATE_DCT);
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err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out));
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if (err) {
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mlx5_core_warn(dev, "create DCT failed, ret %d\n", err);
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return err;
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}
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qp->qpn = MLX5_GET(create_dct_out, out, dctn);
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err = create_resource_common(dev, qp, MLX5_RES_DCT);
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if (err)
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goto err_cmd;
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return 0;
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err_cmd:
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MLX5_SET(destroy_dct_in, din, opcode, MLX5_CMD_OP_DESTROY_DCT);
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MLX5_SET(destroy_dct_in, din, dctn, qp->qpn);
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mlx5_cmd_exec(dev, (void *)&in, sizeof(din),
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(void *)&out, sizeof(dout));
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return err;
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}
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EXPORT_SYMBOL_GPL(mlx5_core_create_dct);
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int mlx5_core_create_qp(struct mlx5_core_dev *dev,
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struct mlx5_core_qp *qp,
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u32 *in, int inlen)
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{
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u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
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u32 dout[MLX5_ST_SZ_DW(destroy_qp_out)];
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u32 din[MLX5_ST_SZ_DW(destroy_qp_in)];
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int err;
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MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
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err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
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if (err)
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return err;
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qp->qpn = MLX5_GET(create_qp_out, out, qpn);
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mlx5_core_dbg(dev, "qpn = 0x%x\n", qp->qpn);
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err = create_resource_common(dev, qp, MLX5_RES_QP);
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if (err)
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goto err_cmd;
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err = mlx5_debug_qp_add(dev, qp);
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if (err)
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mlx5_core_dbg(dev, "failed adding QP 0x%x to debug file system\n",
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qp->qpn);
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atomic_inc(&dev->num_qps);
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return 0;
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err_cmd:
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memset(din, 0, sizeof(din));
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memset(dout, 0, sizeof(dout));
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MLX5_SET(destroy_qp_in, din, opcode, MLX5_CMD_OP_DESTROY_QP);
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MLX5_SET(destroy_qp_in, din, qpn, qp->qpn);
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mlx5_cmd_exec(dev, din, sizeof(din), dout, sizeof(dout));
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return err;
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}
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EXPORT_SYMBOL_GPL(mlx5_core_create_qp);
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static int mlx5_core_drain_dct(struct mlx5_core_dev *dev,
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struct mlx5_core_dct *dct)
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{
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u32 out[MLX5_ST_SZ_DW(drain_dct_out)] = {0};
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u32 in[MLX5_ST_SZ_DW(drain_dct_in)] = {0};
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struct mlx5_core_qp *qp = &dct->mqp;
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MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT);
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MLX5_SET(drain_dct_in, in, dctn, qp->qpn);
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return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
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(void *)&out, sizeof(out));
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}
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int mlx5_core_destroy_dct(struct mlx5_core_dev *dev,
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struct mlx5_core_dct *dct)
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{
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u32 out[MLX5_ST_SZ_DW(destroy_dct_out)] = {0};
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u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {0};
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struct mlx5_core_qp *qp = &dct->mqp;
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int err;
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err = mlx5_core_drain_dct(dev, dct);
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if (err) {
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if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
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goto destroy;
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} else {
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mlx5_core_warn(dev, "failed drain DCT 0x%x with error 0x%x\n", qp->qpn, err);
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return err;
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}
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}
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wait_for_completion(&dct->drained);
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destroy:
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destroy_resource_common(dev, &dct->mqp);
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MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT);
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MLX5_SET(destroy_dct_in, in, dctn, qp->qpn);
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err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
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(void *)&out, sizeof(out));
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return err;
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}
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EXPORT_SYMBOL_GPL(mlx5_core_destroy_dct);
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int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
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struct mlx5_core_qp *qp)
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{
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u32 out[MLX5_ST_SZ_DW(destroy_qp_out)] = {0};
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u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {0};
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int err;
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mlx5_debug_qp_remove(dev, qp);
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destroy_resource_common(dev, qp);
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MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
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MLX5_SET(destroy_qp_in, in, qpn, qp->qpn);
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err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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if (err)
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return err;
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atomic_dec(&dev->num_qps);
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return 0;
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}
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EXPORT_SYMBOL_GPL(mlx5_core_destroy_qp);
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int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
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u32 timeout_usec)
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{
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u32 out[MLX5_ST_SZ_DW(set_delay_drop_params_out)] = {0};
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u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {0};
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MLX5_SET(set_delay_drop_params_in, in, opcode,
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MLX5_CMD_OP_SET_DELAY_DROP_PARAMS);
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MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout,
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timeout_usec / 100);
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return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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}
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EXPORT_SYMBOL_GPL(mlx5_core_set_delay_drop);
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struct mbox_info {
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u32 *in;
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u32 *out;
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int inlen;
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int outlen;
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};
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static int mbox_alloc(struct mbox_info *mbox, int inlen, int outlen)
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{
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mbox->inlen = inlen;
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mbox->outlen = outlen;
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mbox->in = kzalloc(mbox->inlen, GFP_KERNEL);
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mbox->out = kzalloc(mbox->outlen, GFP_KERNEL);
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if (!mbox->in || !mbox->out) {
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kfree(mbox->in);
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kfree(mbox->out);
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return -ENOMEM;
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}
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return 0;
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}
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static void mbox_free(struct mbox_info *mbox)
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{
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kfree(mbox->in);
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kfree(mbox->out);
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}
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static int modify_qp_mbox_alloc(struct mlx5_core_dev *dev, u16 opcode, int qpn,
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u32 opt_param_mask, void *qpc,
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struct mbox_info *mbox)
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{
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mbox->out = NULL;
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mbox->in = NULL;
|
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#define MBOX_ALLOC(mbox, typ) \
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mbox_alloc(mbox, MLX5_ST_SZ_BYTES(typ##_in), MLX5_ST_SZ_BYTES(typ##_out))
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#define MOD_QP_IN_SET(typ, in, _opcode, _qpn) \
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MLX5_SET(typ##_in, in, opcode, _opcode); \
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MLX5_SET(typ##_in, in, qpn, _qpn)
|
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#define MOD_QP_IN_SET_QPC(typ, in, _opcode, _qpn, _opt_p, _qpc) \
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MOD_QP_IN_SET(typ, in, _opcode, _qpn); \
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MLX5_SET(typ##_in, in, opt_param_mask, _opt_p); \
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memcpy(MLX5_ADDR_OF(typ##_in, in, qpc), _qpc, MLX5_ST_SZ_BYTES(qpc))
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switch (opcode) {
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/* 2RST & 2ERR */
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case MLX5_CMD_OP_2RST_QP:
|
if (MBOX_ALLOC(mbox, qp_2rst))
|
return -ENOMEM;
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MOD_QP_IN_SET(qp_2rst, mbox->in, opcode, qpn);
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break;
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case MLX5_CMD_OP_2ERR_QP:
|
if (MBOX_ALLOC(mbox, qp_2err))
|
return -ENOMEM;
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MOD_QP_IN_SET(qp_2err, mbox->in, opcode, qpn);
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break;
|
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/* MODIFY with QPC */
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case MLX5_CMD_OP_RST2INIT_QP:
|
if (MBOX_ALLOC(mbox, rst2init_qp))
|
return -ENOMEM;
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MOD_QP_IN_SET_QPC(rst2init_qp, mbox->in, opcode, qpn,
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opt_param_mask, qpc);
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break;
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case MLX5_CMD_OP_INIT2RTR_QP:
|
if (MBOX_ALLOC(mbox, init2rtr_qp))
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return -ENOMEM;
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MOD_QP_IN_SET_QPC(init2rtr_qp, mbox->in, opcode, qpn,
|
opt_param_mask, qpc);
|
break;
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case MLX5_CMD_OP_RTR2RTS_QP:
|
if (MBOX_ALLOC(mbox, rtr2rts_qp))
|
return -ENOMEM;
|
MOD_QP_IN_SET_QPC(rtr2rts_qp, mbox->in, opcode, qpn,
|
opt_param_mask, qpc);
|
break;
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case MLX5_CMD_OP_RTS2RTS_QP:
|
if (MBOX_ALLOC(mbox, rts2rts_qp))
|
return -ENOMEM;
|
MOD_QP_IN_SET_QPC(rts2rts_qp, mbox->in, opcode, qpn,
|
opt_param_mask, qpc);
|
break;
|
case MLX5_CMD_OP_SQERR2RTS_QP:
|
if (MBOX_ALLOC(mbox, sqerr2rts_qp))
|
return -ENOMEM;
|
MOD_QP_IN_SET_QPC(sqerr2rts_qp, mbox->in, opcode, qpn,
|
opt_param_mask, qpc);
|
break;
|
case MLX5_CMD_OP_INIT2INIT_QP:
|
if (MBOX_ALLOC(mbox, init2init_qp))
|
return -ENOMEM;
|
MOD_QP_IN_SET_QPC(init2init_qp, mbox->in, opcode, qpn,
|
opt_param_mask, qpc);
|
break;
|
default:
|
mlx5_core_err(dev, "Unknown transition for modify QP: OP(0x%x) QPN(0x%x)\n",
|
opcode, qpn);
|
return -EINVAL;
|
}
|
return 0;
|
}
|
|
int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
|
u32 opt_param_mask, void *qpc,
|
struct mlx5_core_qp *qp)
|
{
|
struct mbox_info mbox;
|
int err;
|
|
err = modify_qp_mbox_alloc(dev, opcode, qp->qpn,
|
opt_param_mask, qpc, &mbox);
|
if (err)
|
return err;
|
|
err = mlx5_cmd_exec(dev, mbox.in, mbox.inlen, mbox.out, mbox.outlen);
|
mbox_free(&mbox);
|
return err;
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_qp_modify);
|
|
void mlx5_init_qp_table(struct mlx5_core_dev *dev)
|
{
|
struct mlx5_qp_table *table = &dev->priv.qp_table;
|
|
memset(table, 0, sizeof(*table));
|
spin_lock_init(&table->lock);
|
INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
|
mlx5_qp_debugfs_init(dev);
|
}
|
|
void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev)
|
{
|
mlx5_qp_debugfs_cleanup(dev);
|
}
|
|
int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
|
u32 *out, int outlen)
|
{
|
u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {0};
|
|
MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP);
|
MLX5_SET(query_qp_in, in, qpn, qp->qpn);
|
return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_qp_query);
|
|
int mlx5_core_dct_query(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct,
|
u32 *out, int outlen)
|
{
|
u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {0};
|
struct mlx5_core_qp *qp = &dct->mqp;
|
|
MLX5_SET(query_dct_in, in, opcode, MLX5_CMD_OP_QUERY_DCT);
|
MLX5_SET(query_dct_in, in, dctn, qp->qpn);
|
|
return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
|
(void *)out, outlen);
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_dct_query);
|
|
int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn)
|
{
|
u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {0};
|
u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {0};
|
int err;
|
|
MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
|
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
|
if (!err)
|
*xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
|
return err;
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_xrcd_alloc);
|
|
int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn)
|
{
|
u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {0};
|
u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {0};
|
|
MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
|
MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
|
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_xrcd_dealloc);
|
|
int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
|
struct mlx5_core_qp *rq)
|
{
|
int err;
|
u32 rqn;
|
|
err = mlx5_core_create_rq(dev, in, inlen, &rqn);
|
if (err)
|
return err;
|
|
rq->qpn = rqn;
|
err = create_resource_common(dev, rq, MLX5_RES_RQ);
|
if (err)
|
goto err_destroy_rq;
|
|
return 0;
|
|
err_destroy_rq:
|
mlx5_core_destroy_rq(dev, rq->qpn);
|
|
return err;
|
}
|
EXPORT_SYMBOL(mlx5_core_create_rq_tracked);
|
|
void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
|
struct mlx5_core_qp *rq)
|
{
|
destroy_resource_common(dev, rq);
|
mlx5_core_destroy_rq(dev, rq->qpn);
|
}
|
EXPORT_SYMBOL(mlx5_core_destroy_rq_tracked);
|
|
int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
|
struct mlx5_core_qp *sq)
|
{
|
int err;
|
u32 sqn;
|
|
err = mlx5_core_create_sq(dev, in, inlen, &sqn);
|
if (err)
|
return err;
|
|
sq->qpn = sqn;
|
err = create_resource_common(dev, sq, MLX5_RES_SQ);
|
if (err)
|
goto err_destroy_sq;
|
|
return 0;
|
|
err_destroy_sq:
|
mlx5_core_destroy_sq(dev, sq->qpn);
|
|
return err;
|
}
|
EXPORT_SYMBOL(mlx5_core_create_sq_tracked);
|
|
void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
|
struct mlx5_core_qp *sq)
|
{
|
destroy_resource_common(dev, sq);
|
mlx5_core_destroy_sq(dev, sq->qpn);
|
}
|
EXPORT_SYMBOL(mlx5_core_destroy_sq_tracked);
|
|
int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id)
|
{
|
u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {0};
|
u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
|
int err;
|
|
MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
|
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
|
if (!err)
|
*counter_id = MLX5_GET(alloc_q_counter_out, out,
|
counter_set_id);
|
return err;
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_alloc_q_counter);
|
|
int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id)
|
{
|
u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {0};
|
u32 out[MLX5_ST_SZ_DW(dealloc_q_counter_out)] = {0};
|
|
MLX5_SET(dealloc_q_counter_in, in, opcode,
|
MLX5_CMD_OP_DEALLOC_Q_COUNTER);
|
MLX5_SET(dealloc_q_counter_in, in, counter_set_id, counter_id);
|
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_dealloc_q_counter);
|
|
int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
|
int reset, void *out, int out_size)
|
{
|
u32 in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
|
|
MLX5_SET(query_q_counter_in, in, opcode, MLX5_CMD_OP_QUERY_Q_COUNTER);
|
MLX5_SET(query_q_counter_in, in, clear, reset);
|
MLX5_SET(query_q_counter_in, in, counter_set_id, counter_id);
|
return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size);
|
}
|
EXPORT_SYMBOL_GPL(mlx5_core_query_q_counter);
|
