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,
46 .relaxed_ordering_read = 0,
47 .relaxed_ordering_write = 0,
49 struct mlx5_devx_virtq_attr attr = {
50 .type = MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS,
51 .dirty_bitmap_addr = log_base,
52 .dirty_bitmap_size = log_size,
54 struct mlx5_vdpa_query_mr *mr = rte_malloc(__func__, sizeof(*mr), 0);
58 DRV_LOG(ERR, "Failed to allocate mem for lm mr.");
61 mr->umem = mlx5_glue->devx_umem_reg(priv->ctx,
62 (void *)(uintptr_t)log_base,
63 log_size, IBV_ACCESS_LOCAL_WRITE);
65 DRV_LOG(ERR, "Failed to register umem for lm mr.");
68 mkey_attr.umem_id = mr->umem->umem_id;
69 mr->mkey = mlx5_devx_cmd_mkey_create(priv->ctx, &mkey_attr);
71 DRV_LOG(ERR, "Failed to create Mkey for lm.");
74 attr.dirty_bitmap_mkey = mr->mkey->id;
75 for (i = 0; i < priv->nr_virtqs; ++i) {
77 if (!priv->virtqs[i].virtq) {
78 DRV_LOG(DEBUG, "virtq %d is invalid for LM.", i);
79 } else if (mlx5_devx_cmd_modify_virtq(priv->virtqs[i].virtq,
81 DRV_LOG(ERR, "Failed to modify virtq %d for LM.", i);
86 SLIST_INSERT_HEAD(&priv->mr_list, mr, next);
90 mlx5_devx_cmd_destroy(mr->mkey);
92 mlx5_glue->devx_umem_dereg(mr->umem);
97 #define MLX5_VDPA_USED_RING_LEN(size) \
98 ((size) * sizeof(struct vring_used_elem) + sizeof(uint16_t) * 3)
101 mlx5_vdpa_lm_log(struct mlx5_vdpa_priv *priv)
104 int ret = rte_vhost_get_negotiated_features(priv->vid, &features);
108 DRV_LOG(ERR, "Failed to get negotiated features.");
111 if (!RTE_VHOST_NEED_LOG(features))
113 for (i = 0; i < priv->nr_virtqs; ++i) {
114 if (!priv->virtqs[i].virtq) {
115 DRV_LOG(DEBUG, "virtq %d is invalid for LM log.", i);
117 ret = mlx5_vdpa_virtq_stop(priv, i);
119 DRV_LOG(ERR, "Failed to stop virtq %d for LM "
124 rte_vhost_log_used_vring(priv->vid, i, 0,
125 MLX5_VDPA_USED_RING_LEN(priv->virtqs[i].vq_size));