Commit 27e95603 authored by Moni Shoua's avatar Moni Shoua Committed by Leon Romanovsky

net/mlx5: Add interface to hold and release core resources

Sometimes upper layers may want to prevent the destruction of a core
resource for a period of time while work on that resource is in
progress.  Add API to support this.
Signed-off-by: default avatarMoni Shoua <monis@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
parent 69811496
......@@ -670,3 +670,19 @@ int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size);
}
EXPORT_SYMBOL_GPL(mlx5_core_query_q_counter);
struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_dev *dev,
int res_num,
enum mlx5_res_type res_type)
{
u32 rsn = res_num | (res_type << MLX5_USER_INDEX_LEN);
return mlx5_get_rsc(dev, rsn);
}
EXPORT_SYMBOL_GPL(mlx5_core_res_hold);
void mlx5_core_res_put(struct mlx5_core_rsc_common *res)
{
mlx5_core_put_rsc(res);
}
EXPORT_SYMBOL_GPL(mlx5_core_res_put);
......@@ -596,6 +596,11 @@ int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id);
int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
int reset, void *out, int out_size);
struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_dev *dev,
int res_num,
enum mlx5_res_type res_type);
void mlx5_core_res_put(struct mlx5_core_rsc_common *res);
static inline const char *mlx5_qp_type_str(int type)
{
switch (type) {
......
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