mellanox/mlxsw/spectrum_pgt.c

32 	mutex_lock(&mlxsw_sp->pgt->lock);
33 	index = idr_alloc(&mlxsw_sp->pgt->pgt_idr, NULL, 0,
34 			  mlxsw_sp->pgt->end_index, GFP_KERNEL);
42 	mutex_unlock(&mlxsw_sp->pgt->lock);
46 	mutex_unlock(&mlxsw_sp->pgt->lock);
52 	mutex_lock(&mlxsw_sp->pgt->lock);
53 	WARN_ON(idr_remove(&mlxsw_sp->pgt->pgt_idr, mid_base));
54 	mutex_unlock(&mlxsw_sp->pgt->lock);
63 	mutex_lock(&mlxsw_sp->pgt->lock);
65 	mid_base = idr_get_cursor(&mlxsw_sp->pgt->pgt_idr);
67 		err = idr_alloc_cyclic(&mlxsw_sp->pgt->pgt_idr, NULL,
73 	mutex_unlock(&mlxsw_sp->pgt->lock);
79 		idr_remove(&mlxsw_sp->pgt->pgt_idr, mid_base + i);
80 	mutex_unlock(&mlxsw_sp->pgt->lock);
87 	struct idr *pgt_idr = &mlxsw_sp->pgt->pgt_idr;
90 	mutex_lock(&mlxsw_sp->pgt->lock);
95 	mutex_unlock(&mlxsw_sp->pgt->lock);
113 mlxsw_sp_pgt_entry_create(struct mlxsw_sp_pgt *pgt, u16 mid, u16 smpe)
123 	ret = idr_replace(&pgt->pgt_idr, pgt_entry, mid);
139 static void mlxsw_sp_pgt_entry_destroy(struct mlxsw_sp_pgt *pgt,
144 	pgt_entry = idr_replace(&pgt->pgt_idr, NULL, pgt_entry->index);
152 mlxsw_sp_pgt_entry_get(struct mlxsw_sp_pgt *pgt, u16 mid, u16 smpe)
156 	pgt_entry = idr_find(&pgt->pgt_idr, mid);
160 	return mlxsw_sp_pgt_entry_create(pgt, mid, smpe);
163 static void mlxsw_sp_pgt_entry_put(struct mlxsw_sp_pgt *pgt, u16 mid)
167 	pgt_entry = idr_find(&pgt->pgt_idr, mid);
172 		mlxsw_sp_pgt_entry_destroy(pgt, pgt_entry);
195 			     mlxsw_sp->pgt->smpe_index_valid,
252 	mutex_lock(&mlxsw_sp->pgt->lock);
254 	pgt_entry = mlxsw_sp_pgt_entry_get(mlxsw_sp->pgt, mid, smpe);
267 	mutex_unlock(&mlxsw_sp->pgt->lock);
271 	mlxsw_sp_pgt_entry_put(mlxsw_sp->pgt, mid);
273 	mutex_unlock(&mlxsw_sp->pgt->lock);
283 	mutex_lock(&mlxsw_sp->pgt->lock);
285 	pgt_entry = idr_find(&mlxsw_sp->pgt->pgt_idr, mid);
294 	mlxsw_sp_pgt_entry_put(mlxsw_sp->pgt, mid);
297 	mutex_unlock(&mlxsw_sp->pgt->lock);
313 	struct mlxsw_sp_pgt *pgt;
318 	pgt = kzalloc(sizeof(*mlxsw_sp->pgt), GFP_KERNEL);
319 	if (!pgt)
322 	idr_init(&pgt->pgt_idr);
323 	pgt->end_index = MLXSW_CORE_RES_GET(mlxsw_sp->core, PGT_SIZE);
324 	mutex_init(&pgt->lock);
325 	pgt->smpe_index_valid = mlxsw_sp->pgt_smpe_index_valid;
326 	mlxsw_sp->pgt = pgt;
332 	mutex_destroy(&mlxsw_sp->pgt->lock);
333 	WARN_ON(!idr_is_empty(&mlxsw_sp->pgt->pgt_idr));
334 	idr_destroy(&mlxsw_sp->pgt->pgt_idr);
335 	kfree(mlxsw_sp->pgt);