1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2019 Mellanox Technologies, Ltd
4 #include <rte_malloc.h>
7 #include "mlx5_vdpa_utils.h"
12 mlx5_vdpa_logging_enable(struct mlx5_vdpa_priv *priv, int enable)
14 struct mlx5_devx_virtq_attr attr = {
15 .type = MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_DUMP_ENABLE,
16 .dirty_bitmap_dump_enable = enable,
20 for (i = 0; i < priv->nr_virtqs; ++i) {
22 if (!priv->virtqs[i].virtq ||
23 mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq, &attr)) {
24 DRV_LOG(ERR, "Failed to modify virtq %d logging.", i);
32 mlx5_vdpa_dirty_bitmap_set(struct mlx5_vdpa_priv *priv, uint64_t log_base,
35 struct mlx5_devx_mkey_attr mkey_attr = {
36 .addr = (uintptr_t)log_base,
42 .relaxed_ordering = 0,
44 struct mlx5_devx_virtq_attr attr = {
45 .type = MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS,
46 .dirty_bitmap_addr = log_base,
47 .dirty_bitmap_size = log_size,
49 struct mlx5_vdpa_query_mr *mr = rte_malloc(__func__, sizeof(*mr), 0);
53 DRV_LOG(ERR, "Failed to allocate mem for lm mr.");
56 mr->umem = mlx5_glue->devx_umem_reg(priv->ctx,
57 (void *)(uintptr_t)log_base,
58 log_size, IBV_ACCESS_LOCAL_WRITE);
60 DRV_LOG(ERR, "Failed to register umem for lm mr.");
63 mkey_attr.umem_id = mr->umem->umem_id;
64 mr->mkey = mlx5_devx_cmd_mkey_create(priv->ctx, &mkey_attr);
66 DRV_LOG(ERR, "Failed to create Mkey for lm.");
69 attr.dirty_bitmap_mkey = mr->mkey->id;
70 for (i = 0; i < priv->nr_virtqs; ++i) {
72 if (!priv->virtqs[i].virtq ||
73 mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq, &attr)) {
74 DRV_LOG(ERR, "Failed to modify virtq %d for lm.", i);
79 SLIST_INSERT_HEAD(&priv->mr_list, mr, next);
83 mlx5_devx_cmd_destroy(mr->mkey);
85 mlx5_glue->devx_umem_dereg(mr->umem);
90 #define MLX5_VDPA_USED_RING_LEN(size) \
91 ((size) * sizeof(struct vring_used_elem) + sizeof(uint16_t) * 3)
94 mlx5_vdpa_lm_log(struct mlx5_vdpa_priv *priv)
97 int ret = rte_vhost_get_negotiated_features(priv->vid, &features);
101 DRV_LOG(ERR, "Failed to get negotiated features.");
104 if (!RTE_VHOST_NEED_LOG(features))
106 for (i = 0; i < priv->nr_virtqs; ++i) {
107 if (priv->virtqs[i].virtq) {
108 ret = mlx5_vdpa_virtq_stop(priv, i);
110 DRV_LOG(ERR, "Failed to stop virtq %d.", i);
114 DRV_LOG(ERR, "virtq %d is not created.", i);
117 rte_vhost_log_used_vring(priv->vid, i, 0,
118 MLX5_VDPA_USED_RING_LEN(priv->virtqs[i].vq_size));