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 = {
16 MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_DUMP_ENABLE,
17 .dirty_bitmap_dump_enable = enable,
19 struct mlx5_vdpa_virtq *virtq;
22 for (i = 0; i < priv->nr_virtqs; ++i) {
24 virtq = &priv->virtqs[i];
25 if (!virtq->configured) {
26 DRV_LOG(DEBUG, "virtq %d is invalid for dirty bitmap enabling.", i);
28 struct mlx5_vdpa_virtq *virtq = &priv->virtqs[i];
30 pthread_mutex_lock(&virtq->virtq_lock);
31 if (mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq,
33 pthread_mutex_unlock(&virtq->virtq_lock);
35 "Failed to modify virtq %d for dirty bitmap enabling.",
39 pthread_mutex_unlock(&virtq->virtq_lock);
46 mlx5_vdpa_dirty_bitmap_set(struct mlx5_vdpa_priv *priv, uint64_t log_base,
49 struct mlx5_devx_virtq_attr attr = {
50 .mod_fields_bitmap = MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS,
51 .dirty_bitmap_addr = log_base,
52 .dirty_bitmap_size = log_size,
54 struct mlx5_vdpa_virtq *virtq;
56 int ret = mlx5_os_wrapped_mkey_create(priv->cdev->ctx, priv->cdev->pd,
58 (void *)(uintptr_t)log_base,
59 log_size, &priv->lm_mr);
62 DRV_LOG(ERR, "Failed to allocate wrapped MR for lm.");
65 attr.dirty_bitmap_mkey = priv->lm_mr.lkey;
66 for (i = 0; i < priv->nr_virtqs; ++i) {
68 virtq = &priv->virtqs[i];
69 if (!virtq->configured) {
70 DRV_LOG(DEBUG, "virtq %d is invalid for LM.", i);
72 struct mlx5_vdpa_virtq *virtq = &priv->virtqs[i];
74 pthread_mutex_lock(&virtq->virtq_lock);
75 if (mlx5_devx_cmd_modify_virtq(
76 priv->virtqs[i].virtq,
78 pthread_mutex_unlock(&virtq->virtq_lock);
80 "Failed to modify virtq %d for LM.", i);
83 pthread_mutex_unlock(&virtq->virtq_lock);
88 mlx5_os_wrapped_mkey_destroy(&priv->lm_mr);
92 #define MLX5_VDPA_USED_RING_LEN(size) \
93 ((size) * sizeof(struct vring_used_elem) + sizeof(uint16_t) * 3)
96 mlx5_vdpa_lm_log(struct mlx5_vdpa_priv *priv)
98 struct mlx5_vdpa_virtq *virtq;
100 int ret = rte_vhost_get_negotiated_features(priv->vid, &features);
104 DRV_LOG(ERR, "Failed to get negotiated features.");
107 if (!RTE_VHOST_NEED_LOG(features))
109 for (i = 0; i < priv->nr_virtqs; ++i) {
110 virtq = &priv->virtqs[i];
111 if (!priv->virtqs[i].virtq) {
112 DRV_LOG(DEBUG, "virtq %d is invalid for LM log.", i);
114 pthread_mutex_lock(&virtq->virtq_lock);
115 ret = mlx5_vdpa_virtq_stop(priv, i);
116 pthread_mutex_unlock(&virtq->virtq_lock);
118 DRV_LOG(ERR, "Failed to stop virtq %d for LM "
123 rte_vhost_log_used_vring(priv->vid, i, 0,
124 MLX5_VDPA_USED_RING_LEN(priv->virtqs[i].vq_size));