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 DRV_LOG(DEBUG, "virtq %d is invalid for dirty bitmap "
25 } else if (mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq,
27 DRV_LOG(ERR, "Failed to modify virtq %d for dirty "
28 "bitmap enabling.", i);
36 mlx5_vdpa_dirty_bitmap_set(struct mlx5_vdpa_priv *priv, uint64_t log_base,
39 struct mlx5_devx_mkey_attr mkey_attr = {
40 .addr = (uintptr_t)log_base,
45 struct mlx5_devx_virtq_attr attr = {
46 .type = MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS,
47 .dirty_bitmap_addr = log_base,
48 .dirty_bitmap_size = log_size,
50 struct mlx5_vdpa_query_mr *mr = rte_malloc(__func__, sizeof(*mr), 0);
54 DRV_LOG(ERR, "Failed to allocate mem for lm mr.");
57 mr->umem = mlx5_glue->devx_umem_reg(priv->ctx,
58 (void *)(uintptr_t)log_base,
59 log_size, IBV_ACCESS_LOCAL_WRITE);
61 DRV_LOG(ERR, "Failed to register umem for lm mr.");
64 mkey_attr.umem_id = mr->umem->umem_id;
65 mr->mkey = mlx5_devx_cmd_mkey_create(priv->ctx, &mkey_attr);
67 DRV_LOG(ERR, "Failed to create Mkey for lm.");
70 attr.dirty_bitmap_mkey = mr->mkey->id;
71 for (i = 0; i < priv->nr_virtqs; ++i) {
73 if (!priv->virtqs[i].virtq) {
74 DRV_LOG(DEBUG, "virtq %d is invalid for LM.", i);
75 } else if (mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq,
77 DRV_LOG(ERR, "Failed to modify virtq %d for LM.", i);
82 SLIST_INSERT_HEAD(&priv->mr_list, mr, next);
86 mlx5_devx_cmd_destroy(mr->mkey);
88 mlx5_glue->devx_umem_dereg(mr->umem);
93 #define MLX5_VDPA_USED_RING_LEN(size) \
94 ((size) * sizeof(struct vring_used_elem) + sizeof(uint16_t) * 3)
97 mlx5_vdpa_lm_log(struct mlx5_vdpa_priv *priv)
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 if (!priv->virtqs[i].virtq) {
111 DRV_LOG(DEBUG, "virtq %d is invalid for LM log.", i);
113 ret = mlx5_vdpa_virtq_stop(priv, i);
115 DRV_LOG(ERR, "Failed to stop virtq %d for LM "
120 rte_vhost_log_used_vring(priv->vid, i, 0,
121 MLX5_VDPA_USED_RING_LEN(priv->virtqs[i].vq_size));