mellanox/mlx4/icm.c

42 #include "icm.h"
79 void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent)
83 	if (!icm)
86 	list_for_each_entry_safe(chunk, tmp, &icm->chunk_list, list) {
95 	kfree(icm);
135 	struct mlx4_icm *icm;
144 	icm = kmalloc_node(sizeof(*icm),
147 	if (!icm) {
148 		icm = kmalloc(sizeof(*icm),
150 		if (!icm)
154 	icm->refcount = 0;
155 	INIT_LIST_HEAD(&icm->chunk_list);
176 			list_add_tail(&chunk->list, &icm->chunk_list);
229 	return icm;
232 	mlx4_free_icm(dev, icm, coherent);
236 static int mlx4_MAP_ICM(struct mlx4_dev *dev, struct mlx4_icm *icm, u64 virt)
238 	return mlx4_map_cmd(dev, MLX4_CMD_MAP_ICM, icm, virt);
247 int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm)
249 	return mlx4_map_cmd(dev, MLX4_CMD_MAP_ICM_AUX, icm, -1);
266 	if (table->icm[i]) {
267 		++table->icm[i]->refcount;
271 	table->icm[i] = mlx4_alloc_icm(dev, MLX4_TABLE_CHUNK_SIZE >> PAGE_SHIFT,
274 	if (!table->icm[i]) {
279 	if (mlx4_MAP_ICM(dev, table->icm[i], table->virt +
281 		mlx4_free_icm(dev, table->icm[i], table->coherent);
282 		table->icm[i] = NULL;
287 	++table->icm[i]->refcount;
303 	if (--table->icm[i]->refcount == 0) {
307 		mlx4_free_icm(dev, table->icm[i], table->coherent);
308 		table->icm[i] = NULL;
320 	struct mlx4_icm *icm;
329 	icm = table->icm[idx / MLX4_TABLE_CHUNK_SIZE];
332 	if (!icm)
335 	list_for_each_entry(chunk, &icm->chunk_list, list) {
430 	table->icm      = kvcalloc(num_icm, sizeof(*table->icm), GFP_KERNEL);
431 	if (!table->icm)
448 		table->icm[i] = mlx4_alloc_icm(dev, chunk_size >> PAGE_SHIFT,
451 		if (!table->icm[i])
453 		if (mlx4_MAP_ICM(dev, table->icm[i], virt + i * MLX4_TABLE_CHUNK_SIZE)) {
454 			mlx4_free_icm(dev, table->icm[i], use_coherent);
455 			table->icm[i] = NULL;
463 		++table->icm[i]->refcount;
470 		if (table->icm[i]) {
473 			mlx4_free_icm(dev, table->icm[i], use_coherent);
476 	kvfree(table->icm);
486 		if (table->icm[i]) {
489 			mlx4_free_icm(dev, table->icm[i], table->coherent);
492 	kvfree(table->icm);