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 (mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq, &attr)) {
23 DRV_LOG(ERR, "Failed to modify virtq %d logging.", i);
31 mlx5_vdpa_dirty_bitmap_set(struct mlx5_vdpa_priv *priv, uint64_t log_base,
34 struct mlx5_devx_mkey_attr mkey_attr = {
35 .addr = (uintptr_t)log_base,
41 .relaxed_ordering = 0,
43 struct mlx5_devx_virtq_attr attr = {
44 .type = MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS,
45 .dirty_bitmap_addr = log_base,
46 .dirty_bitmap_size = log_size,
48 struct mlx5_vdpa_query_mr *mr = rte_malloc(__func__, sizeof(*mr), 0);
52 DRV_LOG(ERR, "Failed to allocate mem for lm mr.");
55 mr->umem = mlx5_glue->devx_umem_reg(priv->ctx,
56 (void *)(uintptr_t)log_base,
57 log_size, IBV_ACCESS_LOCAL_WRITE);
59 DRV_LOG(ERR, "Failed to register umem for lm mr.");
62 mkey_attr.umem_id = mr->umem->umem_id;
63 mr->mkey = mlx5_devx_cmd_mkey_create(priv->ctx, &mkey_attr);
65 DRV_LOG(ERR, "Failed to create Mkey for lm.");
68 attr.dirty_bitmap_mkey = mr->mkey->id;
69 for (i = 0; i < priv->nr_virtqs; ++i) {
71 if (mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq, &attr)) {
72 DRV_LOG(ERR, "Failed to modify virtq %d for lm.", i);
77 SLIST_INSERT_HEAD(&priv->mr_list, mr, next);
81 mlx5_devx_cmd_destroy(mr->mkey);
83 mlx5_glue->devx_umem_dereg(mr->umem);
88 #define MLX5_VDPA_USED_RING_LEN(size) \
89 ((size) * sizeof(struct vring_used_elem) + sizeof(uint16_t) * 3)
92 mlx5_vdpa_lm_log(struct mlx5_vdpa_priv *priv)
94 struct mlx5_devx_virtq_attr attr = {0};
96 int ret = rte_vhost_get_negotiated_features(priv->vid, &features);
100 DRV_LOG(ERR, "Failed to get negotiated features.");
103 if (!RTE_VHOST_NEED_LOG(features))
105 for (i = 0; i < priv->nr_virtqs; ++i) {
106 ret = mlx5_vdpa_virtq_modify(&priv->virtqs[i], 0);
109 if (mlx5_devx_cmd_query_virtq(priv->virtqs[i].virtq, &attr)) {
110 DRV_LOG(ERR, "Failed to query virtq %d.", i);
113 DRV_LOG(INFO, "Query vid %d vring %d: hw_available_idx=%d, "
114 "hw_used_index=%d", priv->vid, i,
115 attr.hw_available_index, attr.hw_used_index);
116 ret = rte_vhost_set_vring_base(priv->vid, i,
117 attr.hw_available_index,
120 DRV_LOG(ERR, "Failed to set virtq %d base.", i);
123 rte_vhost_log_used_vring(priv->vid, i, 0,
124 MLX5_VDPA_USED_RING_LEN(priv->virtqs[i].vq_size));